tube
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tube

Or electron tube in electronics, a glass tube containing gas at low pressure, which is used to control the flow of electricity in a circuit. The electron tube valve was invented by US radio engineer Lee de Forest (1873–1961). Three or more metal electrodes are inset into the tube. By varying the voltage on one of them, called the grid electrode, the current through the tube can be controlled, and the tube can act as an amplifier.

Tubes have been replaced for most applications by transistors. However, they are still used in high-power transmitters and amplifiers, and in some hi-fi systems.

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1878 245 BC aeolipile anemometer anencephaly atomizer Babcock, George Herman Békésy, Georg von bloodworm boiler Booth, Hubert Cecil Bourdon gauge bristle-worm Bunsen burner capillarity cathode ray cathode-ray oscilloscope cathode-ray tube centrifuge			They forget that taxes paid by ordinary people are what saved them from going down the tubes. Payback time; Record View by Daily Record (Glasgow, Scotland) [ILLUSTRATION OMITTED] If our entire society wasn't going down the tubes, I don't know that I would be as enthusiastic about lo-fimusic as I currently am. The Fresh and Onlys Grey-Eyed Girls (Woodsist) by Hockley-Smith, Sam / The Fader s economy may be going down the tubes, but the internet is still vibrant and rewarding There isn? Don't Fall Victim of the Recession - You Can Start Living & Making ... by Johnben Benjamin O / Business community			Goehr, Walter Goeppert-Mayer, Maria Goering, Hermann Wilhelm Goes Goes, Bento de Goes, Hugo van der Goetel, Ferdynand Goethals, George Washington Goethe, Johann Wolfgang von Goetz, Cecelia H Goff, Bruce Alonzo Goffman, Erving Goffstown Gog and Magog Gog Magog Hills Goga, Octavian Gogarty, Oliver St John Gogebic County Gogh, Vincent van Gogol, Nicolai Vasilyevich Gogra Goh Chok Tong Goiânia Goiás Goil, Loch going down the tube Góis, Damião de goitre Goizueta, Roberto Gojam Gokhale, Gopal Krishna Golan Heights Golani, Rivka Golaseccia Golconda gold Gold Beach Gold Coast gold penny gold rush Gold Rush, The gold standard Gold, Ben Gold, Michael Gold, Thomas Goldberg, Arthur J Goldberg, Johann Gottlieb Goldberg, Leo Goldberg, Reiner Goldberg, Rube Goldberg, Szymon			going down in history going down in history going down in history going down in the world going down in the world going down in the world going down like a lead balloon going down like a lead balloon going down like a lead balloon going down like a lead balloon going down like a lead balloon going down like a lead balloon going down like ninepins going down like ninepins Going down on Going down on Going down on Going down on Going down on going down the drain going down the drain going down the drain going down the drain going down the pan going down the pan going down the pan going down the pan going down the plughole going down the plughole Going Down The Road Feeling Bad going down the tube going down the tubes going down the tubes going down the tubes going down the tubes going down the wrong way going down the wrong way going down the wrong way going down the wrong way Going Dutch Going Dutch going easy on going easy on going easy on going far going far going far going flatting going flatting going flatting going flatting going flatting going flatting going fly a kite going fly a kite going fly a kite going fly a kite going fly a kite going flying going flying going for

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tube (redirected from going down the tube)

tube

tube
(redirected from going down the tube)