microwave magnetron
81Serendipity — is the effect by which one accidentally discovers something fortunate, especially while looking for something else entirely. The word has been voted as one of the ten English words that were hardest to translate in June 2004 by a British… …
82Aluminium foil — (known as aluminum foil in North America) is aluminium prepared in thin sheets with a thickness less than 0.2 mm / 0.008 in, although much thinner gauges down to 0.006 mm are commonly used. [http://www.alufoil.org/eng/alufoil 343.html European… …
83Traveling-wave tube — A traveling wave tube (TWT) is an electronic device used to amplify radio frequency signals to high power, usually in an electronic assembly known as a traveling wave tube amplifier (TWTA).The bandwidth of a broadband TWT can be as high as three… …
84SCR-270 radar — and was deployed around the world. It is also known as the Pearl Harbor Radar, as it was a SCR 270 set that saw the incoming raid about half an hour before the attack commenced.Two versions were produced, the mobile SCR 270, and the fixed SCR 271 …
85Gyrotron — Gyrotrons are high powered vacuum tubes which emit millimeter wavelength beams by bunching electrons with cyclotron motion in a strong magnetic field. Output frequencies range from about 20 to 250 GHz, covering wavelengths from microwave to the… …
86Science and invention in Birmingham — Birmingham is the second largest city in the United Kingdom. It is one of the country s principal industrial centres and has an impressive history of industrial and scientific innovation.16th century1547: Although no record is kept to indicate… …
87Electronic component — Various components An electronic component is a basic electronic element and may be available in a discrete form having two or more electrical terminals (or leads). These are intended to be connected together, usually by soldering to a printed… …
88M/A-COM — is a developer and producer of radio, microwave, and millimeter wave semiconductor devices and components. It is a subsidiary of Tyco International. Their corporate headquarters is in Lowell, Massachusetts.HistoryM/A COM began in the 1950s as… …
89Sergei Alexander Schelkunoff — Dr. Sergei Alexander Schelkunoff (January 27, 1897 May 2, 1992), who published as S. A. Schelkunoff, was a distinguished mathematician and electromagnetism theorist who made noted contributions to antenna theory.BiographySchelkunoff was born in… …
90MythBusters (2004 season) — Country of origin Australia United States No. of episodes 20 (includes 4 specials) Broadcast Original channel Discovery Channel …
