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			Dim male model Derek Zoolander is stunned when his career goes down the tubes thanks to the arrival of an equally vacuous rival. BEST OF DIGITAL FILMS by South Wales Echo (Cardiff, Wales) Advantages - Easy to form - Shared responsibility - Capital can be raised faster Disadvantages - Again, unlimited liability - If the business goes down the tubes, so might your friendship - More complicated about what to do when one or more partners wants to stop being a part of the business 3. The Pros and Cons of Making A Proprietorship or A Partnership by Paul Graham / Business community The Day After Tomorrow (12A) Earth goes down the tubes in spectacular disaster movie. Mailmovies: Top ten films by Sunday Mail (Glasgow, Scotland)			Godmanchester Godolphin, Sidney Godowsky, Leopold Godoy y Alcayaga, Lucila Godstone Godthåb Godunov, Boris Fyodorovich Godwin Godwin, Edward William Godwin, Fay Simmonds Godwin, Francis Godwin, Harry Godwin, Linda Maxine Godwin, William Godwin-Austen, Henry Haversham godwit Goebbels, Joseph Goebel, Reinhard Goebel, William Goeben Goehr, Alexander Goehr, Walter Goeppert-Mayer, Maria Goering, Hermann Wilhelm Goes goes down the tubes 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 Góis, Damião de goitre Goizueta, Roberto Gojam			goes down in the world goes down in the world goes down in the world goes down like a lead balloon goes down like a lead balloon goes down like a lead balloon goes down like a lead balloon goes down like a lead balloon goes down like a lead balloon goes down like ninepins goes down like ninepins goes down on goes down on goes down on goes down on goes down on goes down the drain goes down the drain goes down the drain goes down the drain goes down the pan goes down the pan goes down the pan goes down the pan goes down the plughole goes down the plughole goes down the tube goes down the tube goes down the tube goes down the tube goes down the tubes goes down the wrong way goes down the wrong way goes down the wrong way goes down the wrong way goes Dutch goes Dutch goes easy on goes easy on goes easy on goes far goes far goes far goes flatting goes flatting goes flatting goes flatting goes flatting goes flatting goes fly a kite goes fly a kite goes fly a kite goes fly a kite goes fly a kite goes flying goes flying goes for goes for goes for goes for goes for

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tube (redirected from goes down the tubes)

tube

tube
(redirected from goes down the tubes)