microwave magnetron
41Backward wave oscillator — A backward wave oscillator (BWO), also called carcinotron (a trade name for tubes manufactured by CSF, now Thales) or backward wave tube, is a vacuum tube that is used to generate microwaves up to the terahertz range. It belongs to the traveling… …
42Girotrón — El girotrón (forma abreviada de Gyromonotron) es una fuente de radiación de microondas de alta frecuencia y alta potencia. Se considera el primer dispositivo generador de rayos de microondas de alta frecuencia de la historia, perteneciente a la… …
43H2S-Radar — Das H2S war ein Radarsystem, das in Bombern der britischen Royal Air Force eingesetzt wurde. Es diente der Zielfindung unter schlechten Sichtbedingungen, wie schlechtem Wetter und bei Nachteinsätzen. Am 30. Januar 1943 wurde das H2S erstmals in… …
44Nathan Marcuvitz — was professor emeritus Polytechnic Institute of NY Born December 29 …
45Harry Boot — Infobox Scientist name = Harry Boot box width = image width =150px caption = Harry Boot birth date = 29 July, 1917 birth place = Birmingham death date = 8 February, 1983 death place = residence = citizenship = nationality = English ethnicity =… …
46H2S (Navigation) — Das H2S war ein Radarsystem, das in Bombern der britischen Royal Air Force (RAF) eingesetzt wurde. Es diente der Zielfindung unter schlechten Sichtbedingungen, wie schlechtem Wetter und bei Nachteinsätzen. Am 30. Januar 1943 wurde das H2S… …
47Maser — For other uses, see Maser (disambiguation). A hydrogen radio frequency discharge, the first element inside a hydrogen maser (see description below) A maser is a device that produces coherent electromagnetic waves through amplification by… …
48MythBusters (2003 season) — Country of origin Australia United States No. of episodes 8 Broadcast Original channel Discovery Channel …
49Ball lightning — is an atmospheric electrical phenomenon, the physical nature of which is still controversial. The term refers to reports of luminous, usually spherical objects which vary from pea sized to several meters in diameter. It is sometimes associated… …
50Midea (company) — Midea Group 美的集团 Type Privately owned company Industry Household Products Manufacturing Founded 1968 Fou …
