Vacuum tube In electronics, a vacuum tube, an electron tube, or valve (British usage) or, colloquially, a tube (North America), is a device that controls electric current flow in ... Norman Koren Vacuum tube audio page Norman Koren's Vacuum tube audio page, including PSpice tube models Light Bulb History Invention of the Light Bulb Fascinating facts about the invention of the light bulb by Thomas Alva Edison in 1879. Vacuum flask A vacuum flask (also known as a Dewar flask, Dewar bottle or thermos) is an insulating storage vessel that greatly lengthens the time over which its contents remain ... Invention of the PC HISTORY The Invention of the PC . These innovations made it cheaper and easier to manufacture computers than ever before. As a result, the small, relatively ... Microwave Oven History Invention of the Microwave Oven Fascinating facts about the invention of the microwave oven by Percy Spencer in 1945. Invention | technology | Britannica Invention: Invention, the act of bringing ideas or objects together in a novel way to create something that did not exist before. Ever since the first prehistoric ... Television Invention Timeline History Timelines Television Invention Timeline History Timelines of Events provide fast facts and information about famous events in history, such as those detailed in the Television ... History of invention: A science and technology timeline Date Invention or discovery Articles on Explain that stuff; Prehistory; 4–5 billion years ago. Sun starts to produce energy. Solar cells Energy. 10 million years ago. An Outline of the History of the Transistor PBS describes history of most important invention of the 20th century: the transistor. Also... see the television documentary hosted by Ira Flatow, airing on local PBS ... Radar Basics When was the magnetron first used? Invention of Magnetron. 1921 The Swiss physicist Heinrich Greinacher tried to use a diode tube with a cylindrically symmetric ... History of the Transistor San Jose State University The crucial component of an electronic device is a controllable valve that lets a weak signal control a much larger flow much as a faucet controls the flow of water. Sir Ambrose Fleming: Father of Modern Electronics | The ... Sir John Ambrose Fleming (November 29, 1849 April 18, 1945), often called a father of modern electronics, is best known for developing the first successful thermionic ... The Chip that Jack Built | Jack Kilby | Innovation ... It was a relatively simple device that Jack Kilby showed to a handful of co workers gathered in TI's semiconductor lab 50 years ... What is Hyperloop? A plete WIRED Guide | WIRED 02.01.18; 09:26 am; The WIRED Guide to Hyperloop. Everything you ever wanted to know about Elon Musk's fever dream train in a tube. Hearing Device Timeline Digital Exhibits | Becker ... 1551 ~ Girolama Cardano (1501 1576), an Italian physician, philosopher and mathematician, writes in De Subtilitate about bone conduction of sound: how sound may be ... Household Appliances Timeline Greatest Engineering ... British civil engineer H. Cecil Booth patents a vacuum cleaner powered by an engine and mounted on a horse drawn cart. Teams of operators would reel the hoses into ... Television Timeline Softschools Television lets us see into worlds we would never know otherwise. The TV wasn't just one invention. It was the accumulation of lots of discoveries. This timeline goes ... How light bulb is made material, manufacture, history ... From the earliest periods of history until the beginning of the 19th century, fire was man's primary source of light. This light was produced through ... WEIRD SCIENCE: 'Free Energy' Articles How can we tell a free energy scam from an honest FE researcher? Here are some symptoms of a scam: The researcher wants your money. He wants people to invest, he ... International Space Hall of Fame :: New Mexico Museum of ... James A. Van Allen USA Inducted in 1984. Devised experiments for Explorer I, the first American satellite. James A. Van Allen was born in Mount Pleasant, Iowa on ...

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