text:
User talk:Leveni

Welcome
Hello Leveni, and welcome to Wikiversity! If you need help, feel free to visit my talk page, or contact us and ask questions. After you leave a comment on a talk page, remember to sign and date; it helps everyone follow the threads of the discussion. The signature icon in the edit window makes it simple. To get started, you may
 * Take a guided tour and learn to edit;
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And don't forget to explore Wikiversity with the links to your left. Be bold, and see you around Wikiversity! --mikeu 22:24, 5 January 2008 (UTC)

Your account will be renamed
Hello,

The developer team at Wikimedia is making some changes to how accounts work, as part of our on-going efforts to provide new and better tools for our users like cross-wiki notifications. These changes will mean you have the same account name everywhere. This will let us give you new features that will help you edit and discuss better, and allow more flexible user permissions for tools. One of the side-effects of this is that user accounts will now have to be unique across all 900 Wikimedia wikis. See the announcement for more information.

Unfortunately, your account clashes with another account also called Leveni. To make sure that both of you can use all Wikimedia projects in future, we have reserved the name Leveni~enwikiversity that only you will have. If you like it, you don't have to do anything. If you do not like it, you can pick out a different name.

Your account will still work as before, and you will be credited for all your edits made so far, but you will have to use the new account name when you log in.

Sorry for the inconvenience.

Yours, Keegan Peterzell Community Liaison, Wikimedia Foundation 23:36, 17 March 2015 (UTC)

title: User talk:Leveni


text:
User talk:Jazzbaby 12

Welcome
Hello Jazzbaby 12, and welcome to Wikiversity! If you need help, feel free to visit my talk page, or contact us and ask questions. After you leave a comment on a talk page, remember to sign and date; it helps everyone follow the threads of the discussion. The signature icon in the edit window makes it simple. To get started, you may
 * Take a guided tour and learn to edit;
 * Explore our learning projects;
 * Browse our portals, schools, and research activities;
 * Read and help develop our community policies；or
 * Chat with other Wikiversitans on #wikiversity-en.

And don't forget to explore Wikiversity with the links to your left. Be bold, and see you around Wikiversity! --mikeu 22:25, 5 January 2008 (UTC)

license: Creative Commons - Attribution Share-Alike - https://creativecommons.org/licenses/by-sa/4.0/

title: User talk:Jazzbaby 12


text:
User talk:Quiettype

Welcome
Hello Quiettype, and welcome to Wikiversity! If you need help, feel free to visit my talk page, or contact us and ask questions. After you leave a comment on a talk page, remember to sign and date; it helps everyone follow the threads of the discussion. The signature icon in the edit window makes it simple. To get started, you may
 * Take a guided tour and learn to edit;
 * Explore our learning projects;
 * Browse our portals, schools, and research activities;
 * Read and help develop our community policies；or
 * Chat with other Wikiversitans on #wikiversity-en.

And don't forget to explore Wikiversity with the links to your left. Be bold, and see you around Wikiversity! --mikeu 22:26, 5 January 2008 (UTC)

title: User talk:Quiettype


text:
Talk:Bash programming

I would like to recommend a great resource for learning Bash http://linuxcommand.org/

I haven't seen the better material than that, so I recommend you to contact the author and ask permission to just copy everything ;-)

Shell scripting
Is this like shell scripting as in .sh files? --Devourer09 22:14, 17 January 2008 (UTC)

Yes. And I actually have a complaint that nothing here is bash-specific, this all applies to all sh-compatible shells, including sh, ksh, bash, zsh, and others. Shouldn't it be renamed "Shell scripting" or "Shell programming" instead of "Bash programming" unless there's bash-specific material. --Anonymous

keep it bash
I believe it's better to be specific, i.e. this is bash. Why? while the number of useful bash features that aren't available in, say Ksh, and it's roots in just plain sh are similar, bash offers some features that are difficult to reproduce in other shells. Also, for the last half-decade (since 2010) it's become the pre-eminent shell. Any user enquiring about features because they are using another shell would do well to ask themselves "why can't i be in bash?"

while the linux resource may be thorough and authoritative, wiki guidelines suggest a careful edit of another source. But I like the idea of selective copy with the author's permission.

and ..., lastly, i favor a greater influence on the shell function, even ahead of the decision and looping constructs. to put my editorial comment's on this point here,  the sh-bang construct, while cute, should be taught as the penultimate lesson, rather than the second lesson. I'll be addressing that here, using wiki standards.

Applemcg (discuss • contribs) 19:37, 4 January 2016 (UTC)

title: Talk:Bash programming


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Materials Science and Engineering/Timeline of Material Advances

~200000 BCE - Creation of tools and weapons made of stone
Found in Europe, Africa and East Asia

~7000 BCE - Earliest Form of Metallurgy
Old World Neolithic peoples decorate copper by hammering

~5500 BCE - Development of wooden wheel for transport
Introduced in Ancient Mesopotamia (present-day Iraq)

~5000 BCE - Discovery of Ability to Extract Liquid Copper from Malachite and Azurite
First example of extractive metallurgy

~3500 BCE - Smelting of Iron by Egyptians
Iron is the most dominant metallurgical material

~3000 BCE to 300 BC - Manufacturing similar to paper with papyrus plant
Experimentation of materials for the writing of the Egyptians

~3000 BCE - Combination of Tin Ore and Copper Ore to Produce Bronze
Discovered in area of modern Syria and Turkey

~2200 BCE - Invention of Glass in Iran
A great nonmetallic engineering material

~1500 BCE - Lost-Wax Casting
Developed by Metal Workers in Near East

~1500 BCE Porcelain
Crafted by Potters in China

~200 BCE - Iron Casting
Introduced in China

~100 BCE - Glass Blowing
Likely Developed by Phoenicians

400 - Seven Meter High Iron Pillar Forged
100AD Clear Glass. Romans added manganese oxide to the Syrian glass mix of 100BC

100AD The dome. Roman engineering in stone.

100AD Suspension bridge. Chinese development with vines, ropes and chains.

Ancient societies invent some of the first machines for moving water and agriculture.

590 Chinese scientists discover explosive mixtures consisting of sulfur, charcoal, and saltpeter (potassium nitrate)

618 Paper money is first put into use during the Tang Dynasty of China (618–906)

700s Porcelain is invented in China

747 The first reported air conditioning system comprised of water-powered fan wheels, by Emperor Xuanzong of the Tang Dynasty.

1450 - Lead-Tin-Antimony Alloy to Cast in Copper Alloy Molds
Devised by Johannes Gutenberg

Used in printing press 1150-1350 Blast furnace: Cast iron makes its appearance in central Europe

1180 Mirrors : The first reference to a "glass" mirror is 1180 by Alexander Neckham which states "If you remove the lead behind the glass then the image of the person you are looking at will disappear."

1105 1er. Windmill - France.

1100 La Pólvora (China).

1195 Magnetic Compass - Europe.

1200 Firearm (China).

1300 The types of wood - Turkestan appear.

circa 1220. Wheel crane : The first reference to a wheel crane in the literature dates back to 1225 in France

Wheelbarrow (circa 1170): Very useful in construction, mining, and agriculture. The first literary evidence on the use of wheelbarrows dates back to 1170 - 1250 in northwestern Europe.

Mechanical watches (13th and 14th century): A European innovation, weight-driven watches were mainly used in city hall clocks.

Paper mill (1282): The first accurate evidence of a paper mill powered by hydraulic power dates back to 1282

Magnets (1160): The first reference goes back to the Roman d'Enéas, written between 1155 and 1160.

1709 - Replacement of Charcoal by Coke in Blast Furnace in Process of Iron Smelting
Discovered by Abraham Darby I

1775 - Invention of Modern Concrete
1766 - Henry Cavendish discovers hydrogen As a chemist, one of his most important findings was the discovery of hydrogen. On February 23, 1765, Cavendish was able to isolate this element and discover its properties, as well as carbon dioxide and other gases. Through his experiments it was established that hydrogen is the lightest

1766 to the Royal Society. Subsequently, he discovered the composition of waterof the known gases The results were published in the communication Factitious Airs, presented in 1766 to the Royal Society. He later discovered the composition of the natural water, stating that "it is composed of dephlogisticated air (oxygen) bound to phlogiston (hydrogen)".

1774 - Joseph Priestley discovers the oxygen and shows that the air is formed by different gases Priestley's family moved to a house next to a brewery and he became interested in the gas bubbling in this company. This discovery occurred when heated HgO, mercury monoxide, with which it obtained two vapors, one is condensed in mercury droplets (Hg). To that gas he picked it up in a container, observing that it increased the brilliance of a flame and that if it introduced live mice, they became very active and lived longer. Priestley inhaled from this gas and felt comfortable. A this gas, called it dephlogisticated air, but it was oxygen by nature. He was the first person to use the oxygen mask. Priestley communicated his observations to the French chemist Antoine Laurent de Lavoisier, who repeated the experiments, thus demonstrating that he was in the air and in the water, pointing out his role in respiration and combustion

1789 Zirconium 1789 Uranium 1790 Estroncio 1791 Titanio 1794 Itrio 1797 Beryllium 1797 Chrome

Introduced by John Smeaton

1805 - Electroplating
Invented by Luigi Brugnatelli

1807 - Foundation of Electrometallurgy and Electrochemistry
Process of electrolysis developed by Sir Humphry Davy

Developed to separate element metals from salts

1815 - Safety lamp for coal mines
Humphry Davy invents a safety lamp that is used in coal mines without triggering an explosion.

1821 - Thermocouple
Invented by Thomas Johann Seebeck.

1822 - Theory of Stress and Strain
Presented by Augustin Cauchy Measurements of compression and tensile strength of strong matierials, graded and simplified the smelting process.

1824 - Patent issued for the invention of cement
Issued to Joseph Aspdin.

1825 - Invention of electromagnet
Invented by William Sturgeon.

1827 - Isolation of Elemental Aluminium
Accomplished by Friedrich Wohler

1844 - Vulcanization of Rubber
Process invented by Charles Goodyear

1849 - Ferroconcrete (reinforced concrete)
Invented by Joseph Monier.

1850 - Invention of inverted microscope
Invented by J. Lawrence Smith

1856 - Bottom-Blown Acid Process to Melt Low-Carbon Iron
Patented by Bessemer

1859 - Discovery of celluloid.
Discovered by Alexander Parkes. It is generally considered the first thermoplastic.

1860 - Invention of Linoleum
Fredrick Walton invents linoleum, comprised of linseed oil, pigments, pine rosin, and pine flour.

1863 - Light Microscopy to Study Microstucture of Steel
Used by Henry Clifton Sorby

1864 - Periodic Table of Elements
Introduced by Mendeleev

1867 - Dynamite
Patented by Alfred Nobel

1872 - Asphalt
It is first developed by Edward de Smedt at Columbia University.

1872 - Polyvinyl chloride (PVC)
Is first created by Eugen Baumann.

1876 - Basis of Understanding Modern Thermodynamics and Physical Chemistry
"On the Equilibrium of Heterogeneous Substances" published by J. Willar Gibbs

1878 - Arc-type electric furnace
Patented by William Siemens. Leads to the modern electric arc furnace, which is the principle furnace type for the modern electric production of steel.

1883 - First solar cell
Charles Fritts makes the first solar cells using selenium wafers.

1883 - Invention of thermostat
Warren Johnson invents the first temperature regulating device known as a thermostat.

1886 - Electrolytic Reduction of Alumina into Aluminium
Discovered by Charles Martin Hall and Paul Heroult

1890 - Examination of Microstructure of Hard Steel Alloy
Adolf Martens finds banded regions of variously oriented microcrystals

1893 - Patent for SiC
Edward Goodrich Acheson patents a method for making carborundum (SiC), an abrasive compound.

1896 - Discovery of Radioactivity
Found by Pierre and Marie Curie

1898 - Development of Phase Diagram of Iron and Carbon
Creating by William Roberts-Austen

1901 -Radio-wave signals across the Atlantic Ocean from England to Canada
sends by Guglielmo Marconi

1903 -Build the first engine-powered airplane.
Brothers Wilbur and Orville Wright

1904 - Alloying Composition of Stainless Steel
Developed by Leon Guillet

1905 -Explains the photoelectric effect.
Albert Einstein

1905 -Invents the chainsaw
Samuel J. Bens

1906 -Carrier pioneers the air conditioner.
Willis Carrier

1906 -Discovers chromatography.
Mikhail Tswett

1907 -Invents the electric clothes washer
Alva Fisher

1908 -Develops the electrostatic smoke precipitator (smokestackpollution scrubber).
Frederick Gardner

1908 -Launches the Ford Model T, the world's first truly affordable car.
American industrialist and engineer Henry Ford

1909- Develop the glass electrode, enabling very precise measurements of acidity.
German chemists Fritz Haber and Zygmunt Klemensiewicz

1909 - Bakelite
Synthesized by Leo Baekeland

Bakelite is a thermosetting hard plastic

1911 - Superconductivity
Discovered by Kammerlingh Omnes

Found when studying pure metals at low temperatures

1912- Describes the basic chemistry that leads to practical, lithium-ion rechargeable batteries (though they don't appear in a practical, commercial form until the 1990s).
American chemist Gilbert Lewis

1912 -Counter, a detector for radioactivity
Hans Geiger develops the Geiger

1912 - Diffraction of X-Rays by Crystals
Discovered by Max von Laue

1913 - Publication of the Bohr Model of Atomic Structure
Theory that properties determined by number of electrons in orbits around nucleus

1919 -Pioneers the mass spectrometer and uses it to discover many isotopes.
Francis Aston

1920 - Develops mechanical television
John Logie Baird

1920- Develops the principle of the modern, liquid-fueled space rocket
Robert H. Goddard

1920- Independently develop primitive optical character recognition (OCR) scanning systems.
German engineer Gustav Tauschek and American Paul Handel

1920 -Invents the magnetron, a device that can generate microwaves from electricity.
Albert W. Hull

1920 -Invents modern electronic television
Philo T. Farnsworth

1920 - Statement Regarding Structure of Polymers
Work Published by Hermann Staudinger

Polymer Consists of Long Chains of Short Repeating Molecular Units

1920 - Fracture Mechanics
Publication by A.A. Griffith of "The Phenomenon of Rupture and Flow of Solids"

Problem of fracture in context of energy balance

1921- Coin the word "robot" in a play about artificial humans.
Karel Capek and his brother

1921 -Develops the polygraph ("lie detector") machine
John Larson

1925 - Basis of Quantum Mechanics
Matrix mechanics developed by Werner Heisenberg

Wave mechanics and the non-relativistic Schrodinger equation of atoms invented by Erwin Schrodinger

1926 - "Superalloy"
Process Patented by Paul Merica

Created by adding small amounts of aluminium to Ni-Cr alloy

1927 - Light-Emitting Diode
Paper published by Oleg Losev

1928 -Invents coolant chemicals for air conditioners and refrigerators
Thomas Midgley, Jr.

1930 -Pioneers color television
Peter Goldmark

1930 -Pioneer the modern ballpoint pen
Laszlo and Georg Biro

1930 -Creates the first solar-powered house
Maria Telkes

1930 -Oversees the development of radar
Robert Watson Watt

1930 -Develops the electronic pH meter
Arnold Beckman

1931 -Invents the xenon flash lamp for high-speed photography
Harold E. Edgerton

1932 -discovers the shape memory effect in a gold-cadmium alloy
Arne Olander

1933 - Transmission Electron Microscope
Built by Max Knoll and Ernst Ruska

1934 - Theory of Dislocations to Explain Plastic Deformation of Ductile Materials
Proposed by Egon Orowan, Michael Polyani, and G.I. Taylor

1935 - Polymer Nylon
Wallace Hume Carothers, Julian Hill are among researches who patented the process

1936 -Invents the magnetic reed switch.
W.B. Elwood

1938 -Invents the principle of photocopying (xerography)
Chester Carlson

1938 -Invents a nonstick plastic coating called Teflon
Roy Plunkett

1939 - Builds the first truly practical helicopter
Igor Sikorsky

1939 - Split Nucleus of Uranium Atom
Otto Hahn and Fritz Strassman bombard nucleus of uranium atom by bombarding with neutrons

1939 - Discovery of P- and N-Type Regions in Silicon
Found by Russel Ohl, George Southworth, Jack Scaff, and Henry Theuerer

1940 - Develop a compact magnetron for use in airplane radar navigation systems.
English physicists John Randall and Harry Boot

1942 - Builds the first nuclear chain reactor at the University of Chicago.
Enrico Fermi

1945 - Proposes a kind of desk-sized memory store called Memex, which has some of the features later incorporated into electronic books and the World Wide Web (WWW).
US government scientist Vannevar Bush

The term "metamaterials" was coined in 1999 by Rodger M. Walser of the University of Texas at Austin, and he defined metamaterials as "macroscopic composites having a manmade, three-dimensional, periodic cellular architecture designed to produce an optimized combination, not available in nature, of two or more responses to specific excitation."

The first metamaterial was developed by W.E. Kock in 1946. He created the metal-lens antennas.

1948 - Transistor
Fundamental component of all modern electronics

Invented by John Bardeen, Walter H. Brattain, and William Schockley

1949 - Patent barcodes—striped patterns that are initially developed for marking products in grocery stores.
Bernard Silver and N. Joseph Woodland

1950 - X-ray crystallography reveal helical structure of DNA
Rosalind Franklin uses x-ray crystallography to create crystal-clear x-ray photographs that reveal the basic helical structure of the DNA molecule.

1950 - Microwave laser and Microwave ovens
Charles Townes and Arthur Schawlow invent the maser (microwave laser). Gordon Gould coins the word "laser" and builds the first optical laser in 1958. Percy Spencer accidentally discovers how to cook with microwaves, inadvertently inventing the microwave oven.

1951 - Experimental Breeder Reactor 1
The Idaho National Engineering and Environmental Laboratory (INEEL) produces the world’s first usable amount of electricity from nuclear energy. When neutrons released in the fission process convert uranium into plutonium, they generate, or breed, more fissile material, thus producing new fuel as well as energy. No longer in operation, the reactor is now a registered national historic landmark and is open to the public for touring

1952 - Glass into fine-grained ceramics
Corning research chemist S. Donald Stookey discovers a heat treatment process for transforming glass objects into fine-grained ceramics. Further development of this new Pyroceram composition leads to the introduction of CorningWare in 1957.

1953 - High-density polyethylene
Karl Zeigler develops a method for creating a high-density polyethylene molecule that can be manufactured at low temperatures and pressures but has a very high melting point.

1954 - Synthetic diamonds
Working at General Electric’s research laboratories, scientists use a high-pressure vessel to synthesize diamonds, converting a mixture of graphite and metal powder to minuscule diamonds. The process requires a temperature of 4,800°F and a pressure of 1.5 million pounds per square inch, but the tiny diamonds are invaluable as abrasives and cutting points.

1955 - High molecular weight polypropylene developed
Building on the work of Karl Ziegler, Giullo Natta in Italy develops a high molecular weight polypropylene that has high tensile strength and is resistant to heat, ushering in an age of "designer" polymers.

1955 - Silicon dioxide discovery
Carl Frosch and Link Derick at Bell Labs discover that silicon dioxide can act as a diffusion mask. That is, when a silicon wafer is heated to about 1200°C in an atmosphere of water vapor or oxygen, a thin skin of silicon dioxide forms on the surface.are diffused into the wafer while the active elements are protected by the oxide layer.

1958 - Integrated circuit
Jack S. Kilby of Texas Instruments and Robert Noyce of Fairchild Semiconductor, create the integrated circuit, a composite semiconductor block in which transistor, resistor, condenser, and other electrical components are manufactured together as one unit.

1958 - Carbon Fibers
Dr. Roger Bacon created the first high performance carbon fibers at the Parma Technical Center outside of Cleveland, OH

1958 - "Microchip"
Created by Jack Kilby

Integration of Capacitors, Resistors, Diodes, and Transistors in Germanium

1959 - Introduction of the concepts of nanotechnology
Presentation by Richard Feynman of "There's Plenty of Room at the Bottom"

1960- Theodore Maiman invents the ruby laser.
The first working laser (pulsed ruby) is developed by Maimam of Hughes Aircraft Corporation. Javan, Bennet, and Herriot make the first He:Ne gas laser

1962 - Laser Diode
The first to demonstrate coherent light emission from a semiconductor diode (the first laser diode), is widely acknowledged to have been Robert N. Hall and his team at the General Electric research center in 1962.

1962- William Armistead and S. Donald Stookey of Corning Glass Works invent light-sensitive (photochromic) glass.
Modern photochromic lenses tend to be plastic and instead of silver chemicals they contain organic (carbon-based) molecules called naphthopyrans that react to light in a slightly different way: they subtly change their molecular structure when ultraviolet light strikes them. In this altered form, they soak up more ordinary light as it tries to pass by (technically, we say they have a different absorption spectrum), which is what makes the lenses darken. Imagine lots of molecules suddenly darkening inside a clear lens. It's a bit like closing the blinds in front of your window on a sunny day: as the slats turn, they progressively block out more and more light.

1962 - The first SQUID superconducting quantum interference device is invented
A SQUID (for superconducting quantum interference device) is a very sensitive magnetometer used to measure extremely subtle magnetic fields, based on superconducting loops containing Josephson junctions.

1963 - The first balloon embolectomy catheter is invented by Thomas Fogarty.
Thomas Fogarty invented the "medical industry standard" balloon embolectomy catheter. Patented in 1963, this inflated balloon extraction technique revolutionized surgical embolectomy procedures. The Foley catheter is a rubber tube with a balloon tip named after it's inventor. After insertion into the bladder via the urethra, the tip is filled using a syringe with sterilized liquid or air, in order to keep the catheter in place. This type of catheter allows for continuous draining of the bladder, important during and after surgery.

1965 - A bulletproof nylon fabric, Kevlar, is invented at DuPont
Kevlar® or polyparaphenylene terephthalamide is a polyamide synthesized for the first time in 1965 by Polish-American chemist Stephanie Kwolek (1923-2014), who worked for DuPont. The obtaining of the fibers of Kevlar was complicated, emphasizing the contribution of Herbert Blades, that solved the problem of which solvent to use for the processing.

1965 - James Russell invents the compact disk
A compact disk (cd) is a popular form of digital storage media used for computer files, pictures, and music. The plastic platter is read and written to by a laser in a CD drive. It comes in several varieties including CD-ROM, CD-R, and CD-RW. James Russell invented the compact disk in 1965. James Russell was granted a total of 22 patents for various elements of his compact disk system. However, the compact disk did not become popular until it was mass manufactured by Philips in 1980.

1965 - Commercial Scanning Electron Microscope
Introduced by Cambridge Instruments

1970 CE - 1985 CE
1970 The floppy disk (8 in.) is invented by Alan Shugart at IBM. 1970 Silica optical fibers grown by Corning Incorporated 1970 The first microfiber (polyester) is invented by Toray Industries in Japan; The first fabric comprised of microfibers, Ultrasuede, is also introduced 1971 The liquid crystal display (LCD) is invented by James Fergason 1971 Vacuum forming

1971 The first single chip microprocessor, Intel 4004, is introduced

1971 The video cassette recorder (VCR) is invented by Charles Ginsburg

1971 Hydrogels are synthesized {| class="wikitable"
 * 1972
 * CAT or CT scan is introduced
 * CAT or CT scan is introduced

 * 1972
 * First percolator with an automatic drip process
 * First percolator with an automatic drip process
 * First percolator with an automatic drip process

 * 1972
 * CAT scan
 * CAT scan
 * CAT scan

 * 1972
 * MRI adapted for medical purposes
 * MRI adapted for medical purposes
 * MRI adapted for medical purposes

 * 1972
 * First public demonstration of the new network technology
 * First public demonstration of the new network technology
 * First public demonstration of the new network technology

 * 1972
 * First public demonstration of the new network technology
 * First public demonstration of the new network technology
 * First public demonstration of the new network technology

 * 1972
 * Pioneer 10 sent to the outer solar system
 * Pioneer 10 sent to the outer solar system
 * Pioneer 10 sent to the outer solar system

 * 1972
 * Home video game systems become available
 * Home video game systems become available
 * Home video game systems become available

1973 The disposable lighter is invented by Bic. 1973 Magnetic resonance imaging (MRI) is invented by Lauterbur and Damadian[
 * }

1973 The plastic bottle (PET)

1974 Post-it notes featuring a low-residue adhesive is invented by 3M

1975 First home computer is marketed to hobbyists
The Altair 8800, widely considered the first home computer, is marketed to hobbyists by Micro Instrumentation Telemetry Systems. The build-it-yourself kit doesn’t have a keyboard, monitor, or its own programming language; data are input with a series of switches and lights. But it includes an Intel microprocessor and costs less than $400. Seizing an opportunity, fledgling entrepreneurs Bill Gates and Paul Allen propose writing a version of BASIC for the new computer. They start the project by forming a partnership called Microsoft.

U.S. military begins using fiber optics

The U.S. military begins using fiber optics to improve communications systems when the navy installs a fiber-optic telephone link on the USS Little Rock. Used to transmit data modulated into light waves, the specially designed bundles of transparent glass fibers are thinner and lighter than metal cables, have greater bandwidth, and can transmit data digitally while being less susceptible to interference. The first commercial applications come in 1977 when AT&T and GTE install fiber-optic telephone systems in Chicago and Boston. By 1988 and 1989, fiber-optic cables are carrying telephone calls across the Atlantic and Pacific Oceans.

1976 - Common channel interoffice signaling
AT&T introduces common channel interoffice signaling, a protocol that allows software-controlled, networked computers or switches to communicate with each other using a band other than those used for voice traffic. Basically a dedicated trunk, the network separates signaling functions from the voice path, checks the continuity of the circuit, and then relays the information.

First home computer is marketed to hobbyists

The Altair 8800, widely considered the first home computer, is marketed to hobbyists by Micro Instrumentation Telemetry Systems. The build-it-yourself kit doesn’t have a keyboard, monitor, or its own programming language; data are input with a series of switches and lights. But it includes an Intel microprocessor and costs less than $400. Seizing an opportunity, fledgling entrepreneurs Bill Gates and Paul Allen propose writing a version of BASIC for the new computer. They start the project by forming a partnership called Microsoft.

1977 NASA launches two Mars space probes
NASA launches two Mars space probes, Viking 1 on August 20 and Viking 2 on November 9, each consisting of an orbiter and a lander. The first probe lands on July 20, 1976, the second one on September 3. The Viking project’s primary mission ends on November 15, 11 days before Mars’s superior conjunction (its passage behind the Sun), although the two spacecraft continue to operate for several more years. The last transmission reaches Earth on November 11, 1982. After repeated efforts to regain contact, controllers at NASA’s Jet Propulsion Laboratory close down the overall mission on May 21, 1983.

Common channel interoffice signaling

AT&T introduces common channel interoffice signaling, a protocol that allows software-controlled, networked computers or switches to communicate with each other using a band other than those used for voice traffic. Basically a dedicated trunk, the network separates signaling functions from the voice path, checks the continuity of the circuit, and then relays the information.

1978 An artificial heart, Jarvik-7, is invented by Robert Jarvik. -
The first analog video optical disk player is introduced by MCA Discovision.

First electronic sewing machine

Singer introduces the Athena 2000, the world’s first electronic sewing machine. A wide variety of stitches, from basic straight to complicated decorative, are available at the touch of a button. The "brain" of the system is a chip that measures less than one-quarter of an inch and contains more than 8,000 transistors.

First cochlear implant surgery

Graeme Clarke in Australia carries out the first cochlear implant surgery. Advances in integrated circuit technology enable him to design a multiple electrode receiver-stimulator unit about the size of a quarter.

1979 The first cassette Walkman TPS-L2 is invented by Masaru Ibuka of Sony. -
Public Utility Regulatory Policies Act

Congress passes the Public Utility Regulatory Policies Act (PURPA), which spurs the growth of nonutility unregulated power generation. PURPA mandates that utilities buy power from qualified unregulated generators at the "avoided cost"—the cost the utility would pay to generate the power itself. Qualifying facilities must meet technical standards regarding energy source and efficiency but are exempt from state and federal regulation under the Federal Power Act and the Public Utility Holding Company Act. In addition, the federal government allows a 15 percent energy tax credit while continuing an existing 10 percent investment tax credit.

1980 Compact disk players are introduced by Philips.-
Japanese electrical pioneer Akio Morita develops the Sony Walkman, the first truly portable player for recorded music.

First circuit boards that have built-in self-testing technology

Chuck Stroud, while working at Bell Laboratories, develops and designs 21 different microchips and three different circuit boards—the first to employ built-in self-testing (BIST) technology. BIST results in a significant reduction in the cost, and a significant increase in the quality of producing electronic components.

TCP/IP standard adopted

U.S. Department of Defense adopts the TCP/IP (transmission control protocol/internet protocol) suite as a standard.

Fiber-optic cable links major citie

AT&T announces that it will install fiber-optic cable linking major cities between Boston and Washington, D.C. The cable is designed to carry three different wavelengths through graded-index fiber—technology that carries video signals later that year from the Olympic Games in Lake Placid, New York. Two years later MCI announces a similar project using single-mode fiber carrying 400 bits per second.

California wind farms

In California more than 17,000 wind machines, ranging in output from 20 to 350 kilowatts, are installed on wind farms. At the height of development, these turbines have a collected rating of more than 1,700 megawatts and produce more than 3 million megawatt-hours of electricity, enough at peak output to power a city of 300,000.

1981 -
The world’s largest solar-power generating station goes into operation (10 MW capacity). The scanning tunneling microscope (STM) is invented. Stung by Apple's success, IBM releases its own affordable personal computer (PC). The Space Shuttle makes its maiden voyage. Patricia Bath develops laser eye surgery for removing cataracts.

1982 -
The first “personal computer” (PC) is introduced by IBM. Robert Denkwalter et al. from Allied Corporation are granted the first patent for dendrimers. Alexei Ekimov and Louis E. Brus (independently) discover quantum dots.

1983 -
US phone companies begin to offer cellular phone service. Steve Jobs of Apple introduces a new computer featuring the first graphical user interface (GUI), named The Lisa. Compact discs (CDs) are launched as a new way to store music by the Sony and Philips corporations.

1984 -
The CD-ROM is invented for computers. The first clumping kitty litter is invented by biochemist Thomas Nelson. The CD-ROM is invented for computers The first clumping kitty litter is invented by biochemist Thomas Nelson

1985 - Antilock braking system (ABS) available on American cars
The Lincoln becomes the first American car to offer an anti lock braking system (ABS), which is made by Teves of Germany. ABS uses computerized sensing of wheel movement and hydraulic pressure to each wheel to adjust pressure so that the wheels continue to move somewhat rather than "locking up" during emergency braking. Donald Tomalia and coworkers at Dow Chemical report the discovery of hyper branched polymers, named dendrimers. Donald Tomalia and coworkers at Dow Chemical report the discovery of hyper branched polymers, named dendrimers

1981 - Scanning Probe Microscopes
Scanning probe microscopy (SPM) is a new branch of microscopy that forms images of surfaces using a physical probe that scans the specimen.

 1987 - First laser surgery on a human cornea

New York City ophthalmologist Steven Trokel performs the first laser surgery on a human cornea, after perfecting his technique on a cow’s eye. Nine years later the first computerized excimer laser—Lasik—designed to correct the refractive error myopia, is approved for use in the United States. The Lasik procedure has evolved from both the Russian-developed radial keratotomy and its laser-based successor photorefractive keratectomy.

1988 - Giant Magnetoresistive Effect
GMR was independently discovered in Fe/Cr/Fe trilayers by a research team led by Peter Grünberg of the Jülich Research Centre (DE), who owns the patent, and in Fe/Cr multilayers by the group of Albert Fert of the University of Paris-Sud (FR), who first saw the large effect in multilayers that led to its naming, and first correctly explained the underlying physics.

1991 - Discovery of Nanotubes
Found by Sumio Iijima

=== 1991 Sony announces the first carbon anode based commercial Li-ion cell === 1991 MiniDiscs (MDs) are introduced by Sony Electronics, Inc.

=== 1992 Prof. Jerome Schentag invents a computer-controlled “smart pill,” for drug-delivery applications

=== 1993 The Pentium processor is invented by Intel 1994 The first search engine for the World Wide Web is created by Filo and Yang[5]

1994 - The International Technology Roadmap of Semiconductors
=== 1995 Nanoimprint lithography is invented by Stephen Chou at Stanford

=== 1995 Digital Versatile Disk or Digital Video Disk (DVD) is invented

1995- Broadcast.com becomes one of the world's first online radio stations.

-Pierre Omidyar launches the eBay auction website.

1996- WRAL-HD broadcasts the first high-definition television (HDTV) signal in the United States.

1997- Electronics companies agree to make Wi-Fi a worldwide standard for wireless Internet.

1998 - Motorola introduces Iridium service, the first global satellite-based wireless telephone service[7]

- Adam Cohen (19 years old!) develops an “electrochemical paint brush” circuit that uses an STM probe to manipulate copper atoms on a silicon surface

- Apple computer introduces the iMac 1998 Geoffrey Ozin at the University of Toronto develops synthetic seashells from SiO2

- Toyota Motor Corporation releases the Prius – the first mass-produced hybrid low-emission vehicle (LEV)

- Television stations in the US began to transition from analog to digital signals

1999 - Danish physicist Hau is able to control the speed of light, useful for potential applications in communications systems and optical computers.

- Safeco Field in Seattle opens, featuring a retractable roof, and extensive drainage lines and heating coils to maintain ideal turf conditions.

- The chemical ingredient used by mussels to anchor themselves to rocks is discovered, and used to synthesize a waterproof adhesive.

- Molecular-based logic gates are demonstrated to work better than silicon based gates – an important precedent in the development of a molecular computer.

2000 - Intel releases the Pentium IV microprocessor, consisting of 42 million transistors

- Motorola releases the i1000 Plus – the first cell phone capable of connecting to the internet

- Robotic pets (e.g., Poo-Chi, Tekno) are first introduced

- The first generation of “digital jukeboxes,” the AudioReQuest ARQ1, retails for $800 and is the first device capable of storing thousands of MP3 songs

2001 - Apple revolutionizes music listening by unveiling its iPod MP3 music player.

- National Nanotechnology Initiative

- A United States federal initiative of nanoscale science and technology.

- Richard Palmer develops energy-absorbing D3O plastic.

- Scott White, Nancy Sottos, and colleagues develop self-healing materials.

2002 - The lightest substance on Earth, known as Aerogels, is developed by NASA

- iRobot Corporation releases the first version of its Roomba® vacuum cleaning robot.

2004 Graphene is discovered
Graphene was produced in a laboratory in 2004, by Russian-born scientists Andre Geim and Konstantin Novoselov working at the UK's University of Manchester.

What are non-Newtonian materials?

Ketchup, nail polish, toothpaste, whipped cream, cornstarch, blood, face cream, silly-putty, paint, and custard—what do these things have in common? Apparently nothing! In fact, they're all examples of non-Newtonian fluids. In everyday terms, they get either more viscous (thicker and less runny) or less viscous (thinner and more runny) if you push and poke them around a bit. Some of them are shear-thinning (they get less viscous), others are shear-thickening (getting more viscous) when you push them about:

Shear thinning: Ketchup, toothpaste, blood, paint, nail polish, whipped cream, and face-cream start off relatively thick and viscous but become more runny if you subject them to forces. Shear thickening: Cornstarch, custard, many soups, and silly-putty work the opposite way. They thicken up when you subject them to forces. Some non-Newtonian materials are permanently changed by applied forces: custard stays thick, for example. Others are changed only temporarily and revert back to their original form when the force is removed. Ketchup thins when you shake it but thickens up again once it's sitting on your plate. Toothpaste thickens and thins repeatedly: it's thick inside the tube, thins and flows when you squeeze it, thickens back into a gel once it's sitting on your brush, and thins again when you brush it over your teeth

2005
-Computers

A pioneering low-cost laptop for developing countries called OLPC is announced by MIT computing pioneer Nicholas Negroponte.

Over the last few years, they've worked to create a trimmed-down, low-cost laptop suitable for people who live in developing countries where electricity and telephone access are harder to find. Their project is known as OLPC: One Laptop Per Child.

What's different about the OLPC?

In essence, an OLPC computer is no different from any other laptop: it's a machine with input, output, memory storage, and a processor—the key components of any computer. But in OLPC, these parts have been designed especially for developing countries.

Here are some of the key features:

Low cost: OLPC was originally designed to cost just $100. Although it failed to meet that target, it is still cheaper than most traditional laptops. Inexpensive LCD screen: The hi-tech screen is designed to work outdoors in bright sunlight, but costs only $35 to make—a fraction of the cost of a normal LCD flat panel display. Trimmed down operating system: The operating system is like the conductor of an orchestra: the part of a computer that makes all the other parts (from the processor chip to the buttons on the mouse) work in harmony. Originally, OLPC used only Linux (an efficient and low-cost operating system developed by thousands of volunteers), but it began offering Microsoft Windows versions as an alternative in 2008. Wireless broadband: In some parts of Africa, fewer than one person in a hundred has access to a wired, landline telephone, so dialup Internet access via telephone would be no use for OLPC users. Each machine's wireless chip will allow it to create an ad-hoc network with other machines nearby—so OLPC users will be able to talk to one another and exchange information effortlessly. Flash memory: Instead of an expensive and relatively unreliable hard drive, OLPC uses a huge lump of flash memory—like the memory used in USB flash memory sticks and digital camera memory cards. Own power: Home electricity supplies are scarce in many developing countries, so OLPC has a hand crank and built-in generator. One minute of cranking generates up to 10 minutes of power. Is OLPC a good idea?

Anything that closes the digital divide, helping poorer children gain access to education and opportunity, must be a good thing. However, some critics have questioned whether projects like this are really meeting the most immediate needs of people in developing countries. According to the World Health Organization, around 1.1 billion people (18 percent of the world's population) have no access to safe drinking water, while 2.7 billion (a staggering 42 percent of the world's population) lack basic sanitation. During the 1990s, around 2 billion people were affected by major natural disasters such as floods and droughts. Every single day, 5000 children die because of dirty water—that's more people dying each day than were killed in the 9/11 terrorist attacks.

With basic problems on this scale, it could be argued that providing access to computers and the Internet is not a high priority for most of the world's poorer people. Then again, education is one of the most important weapons in the fight against poverty. Perhaps computers could provide young people with the knowledge they need to help themselves, their families, and communities escape a life sentence of hardship?

-Carbon nanotubes are synthesized in bulk, and spun into a yarn -iPod Nano and a video-capable iPod are introduced by Apple

2006
- High-definition DVD players become commercially available - Apple computer introduces MacBook Pro, MacBook, and iMac product lines that contain Intel dual-core chips – the first to contain over one billion transistors - Flat-panel display technologies employing carbon nanotubes are demonstrated - LG designs cellular phone that has a built-in breathalyzer for sobriety testing; this application is also tested as standard equipment for future automobiles

2007
- A nanowire battery is demonstrated by Dr. Cui at Stanford University - Electronic books Amazon.com launches its Kindle electronic book (e-book) reader. - Cellphones Touchscreens Apple introduces a touchscreen cellphone called the iPhone.

2008
- A low-cost solar concentrator is developed at MIT. - A bionic contact lens is invented by Babak Parviz. - “Buckypaper” is discovered at Florida State University - Nocera and coworkers at MIT develop a new catalyst to efficiently split water into H2 and O2 under ambient conditions, which may lead to a new paradigm for the large-scale deployment of solar energy. - Chemical vapor deposition is used for the first large-scale growth of graphene. - A self-healing rubber is made from vegetable oil. - Researchers at the Univ. of Pennsylvania report a robot (ckBot) that reassembles itself after being dismantled.

2009
- Tour (Rice) and Dai (Stanford) report the first precedents to unzip carbon nanotubes to form graphene nanoribbons. - The University of Maryland’s Joint Quantum Institute successfully transport data from one atom to another in a container one meter away (the first instance of pseudo-transportation!). - Dow Chemical Co. develops roofing shingles integrated with thin-film solar cells comprised of copper indium gallium diselenide, CIGS. - The Boeing 787 Dreamliner, the first jet airliner to use composite materials for most of its fuselage, is developed by Boeing. - Self-assembling peptides are used for self-cleaning window applications. - The $20 knee is designed by Stanford engineering students. - Berkeley researchers create an “invisibility cloak”. - A “smart” LCD screen that recognizes off-screen gestures is developed. - 18-cm long arrays of SWNTs were synthesized – the longest carbon nanotube array to date. - The first Android cell phone is released, based on a Google OS. - Simon Peers and Nicholas Godley unveil an 11-ft.-long spider-silk cloth made in Madagascar. - The first 3-D digital camera is introduced by Fujifilm. - The EnergyHub smart thermostat is developed

2010
- Apple releases their first tablet-PC, the iPad. - 3M/Littmann develops the first electronic stethoscope. - The first $35 computer is unveiled in India. - Powered exoskeletons are developed to provide mobility assistance for aged and infirmed people. - The British company Xeros develops a washing machine comprised of nylon beads, requiring 90% less water than traditional machines. - The “Smart Bullet” is developed by Allant Tech systems, funded by the United States military; this allows soldiers to measure the distance to a target using a laser range finder, dialing in exactly where the bullet should explode (over/past walls, the corner of buildings, etc.) at precise distances.

- Computers - Touchscreens "Apple releases its touchscreen tablet computer, the iPad." - 3D Television "3D TV starts to become more widely available."

There are several different ways of making a 3D TV, but all of them use the same basic principle: they have to produce two separate, moving images and send one of them to the viewer's left eye and the other to the right. To give the proper illusion of 3D, the left eye's image mustn't be seen by the right eye, while the right eye's image mustn't be seen by the left.

Anaglyph: You have to wear eye glasses with colored lenses so your brain can fuse together the partly overlapping red and cyan pictures on the screen. Polarizing: You wear lenses that filter light waves in different ways so each eye sees a different picture. Active-shutter: The left and right lenses of your glasses are fitted with liquid crystals that effectively "open" and "close" at high speed, in rapid alternation, so your two eyes view separate images (frames) shown on the same screen. Lenticular: You don't need glasses with this system. Instead, a row of plastic lenses in front of the screen bends slightly different, side-by-side images so they travel to your left and right eyes. You must sit in the right place to see a 3D image.

Source
"Top 10 Advances In Materials Science Over Last 50 Years" Science Daily. December 19, 2007

"The Greatest Moments in Materials Science and Engineering" JOM


text:
User:Shmooshkums~enwikiversity

Userboxes
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About Wikiversity

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Using Wikiversity

 * schools
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title: User:Shmooshkums~enwikiversity


text:
User talk:DaveKunes

Welcome
Hello DaveKunes, and welcome to Wikiversity! If you need help, feel free to visit my talk page, or contact us and ask questions. After you leave a comment on a talk page, remember to sign and date; it helps everyone follow the threads of the discussion. The signature icon in the edit window makes it simple. To get started, you may
 * Take a guided tour and learn to edit;
 * Explore our learning projects;
 * Browse our portals, schools, and research activities;
 * Read and help develop our community policies；or
 * Chat with other Wikiversitans on #wikiversity-en.

And don't forget to explore Wikiversity with the links to your left. Be bold, and see you around Wikiversity! --JWSchmidt 04:20, 6 January 2008 (UTC)

title: User talk:DaveKunes


text:
User:Dmccreary

I am a software consultant from Minnesota, USA.

I have worked on the wikibooks for XForms, XQuery, Apache Ant and a few others.

I am interested in using Wikiversity Quiz templates.

I would like to build a library of tools to help math and physics teachers build dynamic graphs using XForms Range controls and SVG like my PieChart and Economic Supply and Demand demos.

http://en.wikibooks.org/wiki/XForms/Pie_Chart

My Web Site

title: User:Dmccreary


text:
User talk:Dmccreary

Welcome
Hello Dmccreary, and welcome to Wikiversity! If you need help, feel free to visit my talk page, or contact us and ask questions. After you leave a comment on a talk page, remember to sign and date; it helps everyone follow the threads of the discussion. The signature icon in the edit window makes it simple. To get started, you may
 * Take a guided tour and learn to edit;
 * Explore our learning projects;
 * Browse our portals, schools, and research activities;
 * Read and help develop our community policies；or
 * Chat with other Wikiversitans on #wikiversity-en.

And don't forget to explore Wikiversity with the links to your left. Be bold, and see you around Wikiversity! --JWSchmidt 05:16, 6 January 2008 (UTC)

title: User talk:Dmccreary


text:
Talk:Educational wikis/Constructive interactions

A question on the nature of wiki (wiki:WikiDesignPrinciples):

Is inefficiency innate in any wiki?

Elaboration: Is inefficiency a bug that can be fixed, or is it rather a participant-attracting feature? Collaboration is good. But is "duplication of effort" necessarily bad? Who says that a wiki should be efficient? Why? Hillgentleman|Talk 06:54, 6 January 2008 (UTC)


text:
Parenting driver's license

Wikiversity parenting driver's license

German

 * (English)

title: Parenting driver's license


text:
Wikiversity:Candidates for Custodianship/Mu301

It has been suggested to me that I could be more helpful here as a custodian. For the most part I have not felt a need for additional tools, but there have been a few times while editing that it would have been more efficient for me to make changes instead of requesting help. I've been an editor on Wikipedia for three years, mostly working on astronomy articles and active in astronomy Wikiprojects, but also reverting vandalism. I've been active here at wikiversity for one year. Most of my edits are astronomy content, although I have done a fair amount of organization of other subject pages and reverting vandalism. I'm particularly interested in research and fostering school and university projects. I also have some experience with unix system and network administration on a large multi-user Free-Net. Piror to my current work at Brown University's Ladd Observatory I worked at the Cormack Planetarium at the Museum of Natural History in Providence, RI. --mikeu 14:33, 6 January 2008 (UTC)

 * I'll happily mentor Mike, if there are no objections :). --SB_Johnny | talk 14:43, 6 January 2008 (UTC)
 * I accept SB_Johnny as mentor.--mikeu 12:13, 7 January 2008 (UTC)
 * I've watched some of Mike's selfless concerns with maintaining the integrity of Wikiversity, and I feel this is a strong candidacy. (To be honest, I had thought of nominating him myself, but I thought he didn't want it.) --McCormack 15:36, 6 January 2008 (UTC)

✅ Good luck with the mop. sebmol ? 12:50, 7 January 2008 (UTC)


text:
User:ABF

Hi! I am ABF@commonswiki.

de:Benutzer:ABF

title: User:ABF


text:
User talk:ABF

Welcome
Hello ABF, and welcome to Wikiversity! If you need help, feel free to visit my talk page, or contact us and ask questions. After you leave a comment on a talk page, remember to sign and date; it helps everyone follow the threads of the discussion. The signature icon in the edit window makes it simple. To get started, you may
 * Take a guided tour and learn to edit;
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And don't forget to explore Wikiversity with the links to your left. Be bold, and see you around Wikiversity! --mikeu 15:05, 6 January 2008 (UTC)

title: User talk:ABF


text:
Runa Simi 1/Lesson 2

{| cellpadding="10" cellspacing="5" style="width: 99%; background-color: inherit; margin-left: auto; margin-right: auto"
 * style="background-color: #bbd2e1; border: 1px solid #777777; -moz-border-radius-topleft: 8px; -moz-border-radius-bottomleft: 8px; -moz-border-radius-topright: 8px; -moz-border-radius-bottomright: 8px;" colspan="1" |

Your first steps in Runa Simi
Here are the very first sentences of Quechua in this course :

Imanata nincha chaita ... ?  ?
 * How do you say ... ?

Chaipa'g sutin'ha ...
 * It's called ...

Ua'manta niway ?  ?
 * Could you repeat ?

First Runa Simi words

 * }

 * }

title: Runa Simi 1/Lesson 2


text: Template:Qw

title: Template:Qw


text:
User talk:Miostyle

Welcome
Hello Miostyle, and welcome to Wikiversity! If you need help, feel free to visit my talk page, or contact us and ask questions. After you leave a comment on a talk page, remember to sign and date; it helps everyone follow the threads of the discussion. The signature icon in the edit window makes it simple. To get started, you may
 * Take a guided tour and learn to edit;
 * Explore our learning projects;
 * Browse our portals, schools, and research activities;
 * Read and help develop our community policies；or
 * Chat with other Wikiversitans on #wikiversity-en.

And don't forget to explore Wikiversity with the links to your left. Be bold, and see you around Wikiversity! --JWS 16:22, 6 January 2008 (UTC)

server access
About your request....please go to your user preferences and enter an email address. I will then be able to email your account information. --JWS 16:27, 6 January 2008 (UTC)

Well, already there. miostyle

non-English content
Please put non-English content at the multi-lingual hub. --JWS 17:48, 6 January 2008 (UTC)

 * Hi, Miostyle. It would be great if you put your non-English pages onto our special multilingual hub here. Unfortunately we may have to delete your pages from the English Wikiversity, unless they are in English. If you have any questions for us, please leave them below. We'll try and help you. --McCormack 18:11, 6 January 2008 (UTC)

Hi.I just started my initiatives in wikipedia. What i need to do is just create the same topics on beta-wikiversity? P.S.How to add signature with name and time of posting automatically? Im doing it handle. --miostyle
 * Yes Beta is the multi-language wikiversity and the incubator of the future wikiversity project. To sign your message, juste add ~ at he end of your message, or clic on the blue link under the save button where is writting Sign your name: .Crochet.david.bot 11:54, 7 January 2008 (UTC)

If you could advise what moments i should pay attention especially if im creating wikiversity based on real university? It should be just portal in wikiversity.beta or better be self-dependent project based on wikimedia engine? miostyle 14:05, 7 January 2008 (UTC)

Colloquium comment
Hi Miostyle, I've moved your comment on the Colloquium to the end of the page - just in case you thought it had disappeared! Cormaggio talk 15:37, 8 January 2008 (UTC)

title: User talk:Miostyle


text:
User:Miostyle

Проект Викиверситет|НГУ

Что такое Викиверситет|НГУ?
Этот сайт — центр координации для всех инициатив по созданию новых обучающих курсов по проекту «Викиверситет|НГУ». Такая координация должна проводиться в соответствии с миссией проекта Викиверситет (Wikiversity), а также общими задачами и рамками проекта.

Викиверситет|НГУ также служит «инкубатором» для викиверситетов/унивикитетов на разных языках и для разных вузов страны. На данный момент, существуют два самостоятельных Викиверситета: на английском и на немецком языках.

Если вы хотите поучаствовать в проекте Викиверситет|НГУ, то необходимо как минимум 10 преподавателей НГУ, которые согласились бы работать над данным проектом. Найдя десять единомышленников, нам нужно будет подать заявку на Мета-вики. Можете также ознакомиться с ответами на распространённые вопросы.

Что делать?

 * Лекции А.А. Берса "Основания и Обоснования Информатики"

Директивы
Пожалуйста помогите развить (и перевести) наши международные директивы которые относятся ко всем проектам.
 * Scope of research/Ru — какие типы исследований должны проводится в Викиверситете?
 * Research guidelines/Ru — какие правила должны быть созданны для поддержания «академичности» исследований в рамках проекта?

В разработке

 * Помогите развить наш международный портал (http://www.wikiversity.org) на Мета-вики
 * Поучаствуйте в нашем конкурсе на лучший логотип для Викиверситета.

title: User:Miostyle


text:
Topic talk:Introduction to Informatics: foundation and substantiation

Most non-English language learning resources should go at the multi-lingual hub. --JWS 17:12, 6 January 2008 (UTC)


text:
Materials Science and Engineering/Doctoral review questions/Daily Discussion Topics/01062008

Relationship between Bond Strength and Electronic Properties

 * As the bond strength increases, the electric polarizability decreases, and the dielectric constant.
 * As the bond strength increases, the Einstein temperature increases, which corresponds to a lower heat capacity.

Ferroelectric
The internal electric dipoles of a ferroelectric material are physically tied to the material lattice so anything that changes the physical lattice will change the strength of the dipoles and cause a current to flow into or out of the capacitor even without the presence of an external voltage across the capacitor. Two stimuli that will change the lattice dimensions of a material are force and temperature. The generation of a current in response to the application of a force to a capacitor is called piezoelectricity. The generation of current in response to a change in temperature is called pyroelectricity. There are two main types of ferroelectrics: displacive and order-disorder. The effect in barium titanate, a typical ferroelectric of the displacive type, is due to a polarization catastrophe, in which, if an ion is displaced from equilibrium slightly, the force from the local electric fields due to the ions in the crystal increase faster than the elastic-restoring forces. This leads to an asymmetrical shift in the equilibrium ion positions and hence to a permanent dipole moment. In an order-disorder ferroelectric, there is a dipole moment in each unit cell, but at high temperatures they are pointing in random directions. Upon lowering the temperature and going through the phase transition, the dipoles order, all pointing in the same direction within a domain.

Another important ferroelectric material is lead zirconate titanate.

Dielectric Constant
The dielectric constant is an essential piece of information when designing capacitors, and in other circumstances where a material might be expected to introduce capacitance into a circuit. If a material with a high dielectric constant is placed in an electric field, the magnitude of that field will be measurably reduced within the volume of the dielectric. This fact is commonly used to increase the capacitance of a particular capacitor design.

Heating with Radiation
The frequency of a microwave is tuned to the peak absorption of the imaginary component

There is maximum heat generation at the peak

The static relative permittivity of a medium is related to its static electric susceptibility, $$\chi_e$$, by

 * $$\varepsilon_r = 1 + \chi_e,$$

Function of a Capacitor

A capacitor is used to separate charge

$$Q = CV\;$$

$$C = \frac{k \epsilon_o A}{d}$$

$$E = \frac{1}{2} CV^2$$

Why is a ferroelectric material not useful as a capacitor in microelectronics?
The dielectric constant is dependent on temperature

Divergence and Curl
Consider the following two operations when recalling Maxwell's equations.

 * Divergence: $$\nabla \overrightarrow{\Chi}$$

 * Local flow outward from a point

 * Curl: $$\nabla \times \overrightarrow{\Chi}$$

 * Rotational flow in a vector field

Derivation of Wave Equation

Electromagnetic waves as a general phenomenon were predicted by the classical laws of electricity and magnetism, known as Maxwell's equations. If you inspect Maxwell's equations without sources (charges or currents) then you will find that, along with the possibility of nothing happening, the theory will also admit nontrivial solutions of changing electric and magnetic fields. Beginning with Maxwell's equations for a vacuum:

 * $$\nabla \cdot \mathbf{E} = 0 \qquad \qquad \qquad \ \ (1)$$
 * $$\nabla \times \mathbf{E} = -\frac{\partial}{\partial t} \mathbf{B} \qquad \qquad (2)$$
 * $$\nabla \cdot \mathbf{B} = 0 \qquad \qquad \qquad \ \ (3)$$
 * $$\nabla \times \mathbf{B} = \mu_0 \epsilon_0 \frac{\partial}{\partial t} \mathbf{E} \qquad \ \ \ (4)$$
 * where
 * $$\nabla$$ is a vector differential operator (see Del).

One solution,
 * $$\mathbf{E}=\mathbf{B}=\mathbf{0}$$,

is trivial.

To see the more interesting one, we utilize vector identities, which work for any vector, as follows:

 * $$\nabla \times \left( \nabla \times \mathbf{A} \right) = \nabla \left( \nabla \cdot \mathbf{A} \right) - \nabla^2 \mathbf{A}$$

To see how we can use this take the curl of equation (2):

 * $$\nabla \times \left(\nabla \times \mathbf{E} \right) = \nabla \times \left(-\frac{\partial \mathbf{B}}{\partial t} \right) \qquad \qquad \qquad \quad \ \ \ (5) \,$$

Evaluating the left hand side:

 * $$ \nabla \times \left(\nabla \times \mathbf{E} \right) = \nabla\left(\nabla \cdot \mathbf{E} \right) - \nabla^2 \mathbf{E} = - \nabla^2 \mathbf{E} \qquad \quad \ (6) \,$$
 * where we simplified the above by using equation (1).

Evaluate the right hand side:

 * $$\nabla \times \left(-\frac{\partial \mathbf{B}}{\partial t} \right) = -\frac{\partial}{\partial t} \left( \nabla \times \mathbf{B} \right) = -\mu_0 \epsilon_0 \frac{\partial^2}{\partial^2 t} \mathbf{E} \qquad (7)$$

Equations (6) and (7) are equal, so this results in a vector-valued differential equation for the electric field, namely

 * {|cellpadding="2" style="border:2px solid #ccccff"

 * $$\nabla^2 \mathbf{E} = \mu_0 \epsilon_0 \frac{\partial^2}{\partial t^2} \mathbf{E}$$
 * }

Applying a similar pattern results in similar differential equation for the magnetic field:

 * {|cellpadding="2" style="border:2px solid #ccccff"

 * $$\nabla^2 \mathbf{B} = \mu_0 \epsilon_0 \frac{\partial^2}{\partial t^2} \mathbf{B}$$.
 * }

These differential equations are equivalent to the wave equation:

 * $$\nabla^2 f = \frac{1}{c^2} \frac{\partial^2 f}{\partial t^2} \,$$
 * where
 * c is the speed of the wave and
 * f describes a displacement

Or more simply:
 * $$\Box^2 f = 0$$
 * where $$\Box^2$$ is d'Alembertian:
 * $$\Box^2 = \nabla^2 - \frac{1}{c^2} \frac{\partial^2}{\partial t^2} = \frac{\partial^2}{\partial x^2} + \frac{\partial^2}{\partial y^2} + \frac{\partial^2}{\partial z^2} - \frac{1}{c^2} \frac{\partial^2}{\partial t^2} \ $$

Notice that in the case of the electric and magnetic fields, the speed is:

 * $$c = \frac{1}{\sqrt{\mu_0 \epsilon_0}}$$

Which, as it turns out, is the speed of light. Maxwell's equations have unified the permittivity of free space $$\epsilon_0$$, the permeability of free space $$\mu_0$$, and the speed of light itself, c. Before this derivation it was not known that there was such a strong relationship between light and electricity and magnetism.

Solutions to Wave Equation
Complex part leads to attenuation


text:
User:Recovery Psychology

Facts that prompted the idea of recovery psychology

 * 1) Fact: The word "recovery" does not mean the same as "remission" (it's a idealistic and revolutionary way of looking at clinical disorders)

 * 1) Fact: Sciences and Services have been focused on remission and are being changed to focus on recovery
 * 2) Fact: There is a socio-political movement behind this change (identity politics)

 * 1) Fact: There has been a large number of psychologists and psychiatrists who have claimed themselves to have "recovered" from psychological disorders (mental illness)

 * 1) Fact: as a result of the above there have been theories about recovery developed

Facts that are apparent from researching recovery as a psychology project

 * 1) Fact: There is no supply of services for the fully recovered implies there is no demand...meaning no large or great number of persons recovered since becoming U.S. policy in 2002 (i.e. disability lawyers to get disability, no recovery lawyers to get off of disability)

 * 1) Fact: Conformity can be used in place of the word of recovery in most recovery literature...Conformity does not mean the same thing as "cure"...Conformity is a process not a destination...since abnormal or mentally ill is mostly a social distinction, and recovery is just another style of conformity under the main doctrine of recovery...there would be nothing to study from a psychological prespective

The concept of "Recovery" is a significant change in thinking, like moving from believing the world is flat and studying clinical psychology and then finding out that the world is really round.

title: User:Recovery Psychology


text:
User talk:Recovery Psychology

Please, feel free to ask any questions that you would like right here:

Proposed School
The Institute of Recovery Psychology

comments
hello, I'd be glad to give you some advice and help you setup a learning project here. Let me read over what you have added so far and I'll leave you another note with some suggestions. --mikeu 20:23, 12 January 2008 (UTC)

 * Thanks it will be very much appreciated!--Recovery Psychology 05:35, 13 January 2008 (UTC)

 * First, here are a couple helpfull hints on editing. Could you add    to the bottom of each page that is part of this learning project?  It will help organize the content.  For links to Wikipedia you can use an "internal link" which is double square brackets, like this:  Recovery Movement  which looks like this after you save the page: Recovery Movement.  The w: indicates that the page is on wikipedia, the first part before the "|" bar is the name of the page and the part after the bar is the text that you click on.  For external links to non wikimedia websites you use single square brackets with a space between the url and the click on text, like this example:  MCCCD  which looks like this: MCCCD.  I'll read over the pages some more and leave you some suggestions later.  --mikeu 14:22, 15 January 2008 (UTC)

Thanks again, will do!--Recovery Psychology 02:20, 16 January 2008 (UTC)

 * BTW, I took a quick look at your edits and didn't see the trouble. But I did notice one thing.  For an internal (interwiki) link to a site like wikipedia or wikiversity that looks like this:  Recovery Movement  you need the vertical bar "|" to seperate the page name from the link text.  For an external link to another website (like youtube) you should not include the bar, but instead use a single space, like this between cpnees and MCCCD as in:  MCCCD   Otherwise, the link will not work.  --mikeu 02:11, 21 January 2008 (UTC)

 * You were almost there with your edits today. :-) An external link doesn't use the vertical bar at all - this is just for internal links. For example: external links are like Google (note: single brackets, and space instead of vertical bar), giving Google; and internal links are like: community discussion page (note: double brackets, and vertical bar), giving community discussion page. All the best, Cormaggio talk 18:17, 15 February 2008 (UTC)

template and more comments
I created a navigation template for the project. See the bottom of Recovery psychology/Lesson1 for an example of use. Overall your project seems to be progressing well. I did make some comments at Talk:Recovery psychology/Lesson1. --mikeu talk 18:08, 22 January 2008 (UTC)

Will I be able to copy and paste this template at the bottom of all the pages?--Recovery Psychology 14:17, 13 March 2008 (UTC)

link with full adresse internet for wikimedia project
I see that you make a link to the wikiversity project using the full adress ( alternative text ) as you doing in this page. Note the the link can be reduce with alternative text. Crochet.david.bot 07:39, 28 March 2008 (UTC)

short wiki link
A link to an article in english wikipedia is writting  alternativ text  but not  alternative text . Thanks.Crochet.david.bot 20:04, 10 April 2008 (UTC)

I think you said that before, if you mean that I need to correct some things, I have been doing so--Recovery Psychology 05:32, 11 April 2008 (UTC)

adding images
"what I thought I would do is squeeze an fMRI picture, Maslow's hierarchy pyramid, or just a raw looking brain picture, like a collage of ecelectic psychology images to be squared left and right checkerboard in to my text"

 * I'd be happy to help, but I'm not sure what you want to do. Do you mean that you want to add some images along the left side of your text and other images along the right side? Have you seen this page? --JWSchmidt 03:36, 20 April 2008 (UTC)

thanks, that was very helpful--recovery psychologist 04:16, 24 April 2008 (UTC)

protoscience
>Recovery Psychology is research but would it also be classified as Protoscience

My problem is that I am not familiar with the vast field of psychology and how various topics are categorized. I do not have a clue what is involved with most of the disciplines listed at List of psychology disciplines. It may be the case that what you call "recovery psychology" is implicitly contained within some branch of psychology where it is known by another name or possibly integrated into several related topic areas. I happened to hear part of this show ..... the guest talk about his own personal experiences with mental illness and, as a non-expert, it seemed that what he was particularly interested in could be called "recovery psychology". It might be that the label "protoscience" is appropriate, particularly if there is an effort to develop new systematic ways to study how patients can take control of their own health rather than just adopting the more traditional "the doctor will cure me" approach. I hope it will become possible to make use of tools like the internet and systematically integrate millions of patients into scientific studies of human diversity and health problems. It is a serious scientific/medical challenge to find new ways to move beyond our current system of scientific medicine and traditional top-down medical studies. Can we systematically collect and make use of the data available from the experiences of hundreds of millions of patients? --JWSchmidt 16:41, 25 April 2008 (UTC)

I guess you have captured a good precentage of what the recovery concept is... however, I guess the philosophical statement I am making or trying to make, is to ask would not the entire science be better if we researched the "recovery" das ding ina sinch? I mean we can go on for eternity defining psychological disorder or defining recovery from a disorder, but what has anyone ever learned about the recovery as a phenomena--recovery psychologist 20:16, 25 April 2008 (UTC)

Statement
Some thoughts about this statement:
 * Remission is the absence of positive symptoms in psychological disorders, meaning that a person’s abnormal behavior(s) has stopped occurring. Where as, recovery is more about the return of normal behavior(s) or the absence of negative symptoms.
 * I'm not sure of context of use; so these suggestions may not be particularly relevant...also, although I work in academic psychology, please note that the clinical/therapeutic/recovery areas are not my specialty. So, these are more like personal views than views which hold much in the way of 'professional standing':

 * The use of "positive" may be confusing unless previously explained. Perhaps you could refer instead to the presence or absence of 'abnormal' or 'dysfunctional' symptomology (or whatever terminology you use). You're more than well aware obviously that all such terms are rather problematic, but nevertheless are common.
 * Remission may be temporary, whereas recovery implies one has journeyed beyond the previous symptoms? Remission in a psychological context is equivalent to remission in medical sense? (e.g., remission of cancer vs. surviving or curing of cancer?)
 * where as -> whereas -- Jtneill - Talk 03:21, 3 May 2008 (UTC)

I respect the personal views of an expert, I guess as theIntuitive aspect that comes from expierince, so please don't sell your personal views short. Of course ethical integrity and honesty is greatly admirable. You have raised great points for discussion, and for me to research...I think change would be a word that can describe terms like onset, symptomology, pathology, offset, remission, and recovery. As I try to bring scientific inquiry to be equal on the side of wellness (David) with the multitudes of research on illness (Goliath) I think as a person becomes ill they undergo the phenomena of negative change (laymans definition of negative) and recovery the positive change (laymans definition of positive), that being a reference to ...may be temporary...journeyed beyond...psychological context is equivalent to remission in medical sense. Thanks for the brain food! (your words)--recovery psychologist 04:36, 3 May 2008 (UTC)

Editing tip - Using edit summaries

 * Well done; I can say that it really helps as someone looking through edit histories. -- Jtneill - Talk 13:02, 15 May 2008 (UTC)

Wounded healer
This page may also be of interest. FYI, I am supervising a 4th year uni student this year conducting a study to investigate influences on students' decisions/motivation to study psychology. It is testing the 'wounded healer' phenomenon. Happy to share more info if you're interested. Sincerely, James. -- Jtneill - Talk 15:15, 15 May 2008 (UTC)

If the student publishes anything on that and there is a link to it online, I would be interested in reading it (of course when the time comes)--recovery psychologist 14:11, 16 May 2008 (UTC)
 * FYI, she's nearing completion - 3 weeks to go - will let you know. -- Jtneill - Talk - c 14:02, 15 October 2008 (UTC)

If I google "wounded healer" now; do you think I will find anything to read; related to this?--recovery psychologist 18:24, 4 January 2009 (UTC)

Research Methods in Psychology
IMHO, there's a lot going on in this section: Recovery_psychology/Lesson3, but the basic argument seems sound (to evaluate recovery using the same quantitative criteria for diagnosis). The last third of the section seemed less cogent though that the first two thirds. Hope this might help a little. -- Jtneill - Talk - c 14:02, 15 October 2008 (UTC)

User boxes
Sorry about the delayed reply to your question about your user boxes. I suggest that you ask User:Darklama, he is a wiz at dealing with these kinds of things. --JWSchmidt 15:52, 16 October 2008 (UTC)

Color coding
I presume you mean color coded usernames and signatures ( ~ ). This theoretically could be done in a fairly automated fashion using extensions (see http://mediawiki.org/wiki/Extensions) - i.e. something in settings or at signup will color code user names as necessary when pages are saved. I know of no such extension though. Right now, this could be done manually by users having their signature use HTML mark-up to display whatever color meant which-ever level of education, but it would not show up at Special:RecentChanges (only on wiki pages). Or instead of colors, people could simply create usernames with credentials/titles in the text of the username (John Smith PhD MD MBA, or whatever).

Also, I saw the Recovery Psychology book being nom'd for deletion over at AFD at Wikibooks. It seems unfortunate in general, and then especially if you also would ultimately rather not have it be deleted. It seems like it ought to be appropriate for some Wikimedia projects - either Wikibooks or Wikiversity (if it is original research, just because it is a book, would it not be within the scope of Wikiversity?). And at least it would be appropriate for some wiki somewhere on the internet. :} Emesee 04:51, 15 January 2009 (UTC)

I know I saw that too; the biggest problem is those I am trying to "enlighten" are people who are economically disadvantaged and are for the most part on the other side of the "digital divide"...If I was trying to convince persons in recovery to walk of the NAMI walk, I would be speaking to them in person, and be far more influential...If all the people offline were online...I would a needle in a haystack of writers who have something "recovery psychology" to say (and that's saying they have, have had or tried for actual degrees in clinical psychology prior to an illness)...I may have to have an "infrastructure" or an actual concrete office building as the internet is far too "abstract" for those who need to start thinking for themselves to understand; but then that falls back in to "dependence" which is illness not wellness--recovery psychologist 12:56, 18 January 2009 (UTC)

sandboxes
Hi, A recovery psychologists Expierimental Sandbox has been moved to User:Recovery Psychology/Expierimental Sandbox. Feel free to create as many sandobx pages as you need in your userspace (ie. User:Recovery Psychology/Sandbox) but it is probably best to keep them out of mainspace to prevent confusion. Others might mistake the page for a learning project and have a more difficult time finding what they are looking for. --mikeu talk 23:52, 5 September 2009 (UTC)

PTG
I'm marking a thesis called "Resilience, Well-being, and Posttraumatic Growth in Queensland Ambulance Service Paramedics" which piqued my curious about the notion of post-traumatic growth (PTG). I've added a reference there, but curiousity as to whether you're familiar with work around this concept? -- Jtneill - Talk - c 09:28, 12 November 2009 (UTC)

I think we do work with this concept in behavioral health in the Arizona mental health system, but I have never heard of this particular term; this I can tell is what I would call an inovation of the recovery concept, a similar procedural attitude is addressed in our training in casemanagement--recovery psychologist 18:59, 15 November 2009 (UTC)

If anyone is interested in a site that pulls in the real-time conversation about bipolar disorder, check out

Law of Supply and Demand
I was thinking about the law of supply and demand. In my work we speak of "recovery" and "mental health recovery" and I am the one who says that is a pheonomena to be described and studied by the behavior science, and not a professional facet of Behavioral Health Social Workers. However, 2002 the New Freedom Commission on Mental Health set forth this agenda in the U.S. to transform the Mental Health Care System in America to a Recovery oriented system. This makes me question the high number of advertisements for disability lawyers who assist persons in getting put on Social Security Disability (you can google my facts, there are accurate, as I always say...regardless if you disagree or don't understand my interpretation) If mental health workers from 2002-2009 forging a recovery attitude has not yeilded a demand for attorneys who help people get off of disability and there is still a high demand for lawyers that get people disability benefits, then recovery has been disproven by the law of supply and demand. Since it would benefit a person in recovery to not be collecting government funds for disablity.

The commonly statement of Mental Health Recovery which I dare challenge

 * 1) Recovery does not mean the same thing as "cure"--The word CONFORMITY fits in here better than the word "recovery"
 * 2) Recovery is a process not a destination--Again the word CONFORMITY fits in here better than does the word "recovery"

Speedy deletion request on Recovery Psychology
I was looking at requests for speedy deletion and saw that the resource you created had been tagged to be deleted. You may remove the tag if you wish to protest the deletion, but the page, as-is, in my opinion, is not likely to survive a discussion. If you improve the page and make it more accessible as a learning resource, Wikiversity is very tolerant and it might remain. As it is, it's pretty incoherent to me, I was inclined to go ahead and delete it. --Abd 13:31, 14 June 2010 (UTC)
 * One more day with no response and I'll delete it. If anyone wants this file back, ask me on User talk:Abd or ask for help from any Custodian at Request custodian action. --Abd 00:14, 21 June 2010 (UTC)
 * Purely speculative on my part, but I'm guessing this was an old page that was forgotten about at some point. Most of their work is under Recovery psychology. -- dark lama  00:50, 21 June 2010 (UTC)

title: User talk:Recovery Psychology