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Latest Audion tube Stories

2011-06-16 07:00:00

PARIS, June 16, 2011 /PRNewswire/ -- Sanofi (EURONEXT: SAN and NYSE: SNY) announced today that it has entered into a two-year research collaboration with the biopharmaceutical company Audion Therapeutics (Audion) to develop potential treatments for hearing loss through the optimization of small molecules by using a regenerative medicine approach. (Logo: http://photos.prnewswire.com/prnh/20110616/NY20158LOGO ) This collaborative research will utilize technology developed at the...


Latest Audion tube Reference Libraries

45_f459c09c01d8eade17d29f3c8d63bb5d
2010-11-15 16:34:28

Lee De Forest invented the Audion, a forerunner of the triode, which is an amplifying vacuum tube. The grid controls the filament which sends the current from the filament. The Audion can detect radio signals by applying a small amount of power to the grid that can control a larger current from the filament plate. However, De Forest's Audion is distinct from the true vacuum triode since it is not capable of linear amplification. De Forest found that when gas was in a partial vacuum heated...

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Word of the Day
grass-comber
  • A landsman who is making his first voyage at sea; a novice who enters naval service from rural life.
According to the OED, a grass-comber is also 'a sailor's term for one who has been a farm-labourer.'