Radio astronomy — is a subfield of astronomy that studies celestial objects at radio frequencies. The field originated from the discovery that many astronomical objects emit radiation in the radio wavelengths as well as optical ones. The great advances in radio… … Wikipedia
Engineer — For other uses, see Engineer (disambiguation). Engineer Conference of Engineers at the Menai Straits Preparatory to Floating one of the T … Wikipedia
radio — /ray dee oh /, n., pl. radios, adj., v., radioed, radioing. n. 1. wireless telegraphy or telephony: speeches broadcast by radio. 2. an apparatus for receiving or transmitting radio broadcasts. 3. a message transmitted by radio. adj. 4. pertaining … Universalium
PHYSICS — The material presented in this entry emphasizes those contributions which were important in arriving at verified present day scientific results, rather than those that may have appeared important at the time. Unavoidably it will overlap in parts… … Encyclopedia of Judaism
Invention of radio — Great Radio Controversy redirects here. For the album by the band Tesla, see The Great Radio Controversy. Contents 1 Physics of wireless signalling 2 Theory of electromagnetism … Wikipedia
Crystal radio — Crystal set redirects here. For the Australian rock band, see The Crystal Set. A modern reproduction of an antique crystal set. It is tuned to different stations by moving the sliding contact (right) up and down the tuning coil (red). The device… … Wikipedia
Daniel Meyer (engineer) — For the orchestra conductor, see Daniel Meyer (conductor). Stereo preamplifier designed by Daniel Meyer and published in Popular Electronics, May 1969. Daniel Meyer (February 6, 1932 – May 16, 1998) was the founder and president Southwest… … Wikipedia
Timeline of radio — The timeline of radio lists within the history of radio, the technology and events that produced instruments that use radio waves and activities that people undertook. Later, the history is dominated by programming and contents, which is closer… … Wikipedia
radiofizikos inžinierius — statusas T sritis profesijos apibrėžtis Inžinierius, kuris specializuojasi radiofizikos srityje. atitikmenys: angl. radio physics engineer … Inžinieriai, technikai ir technologai. Trikalbis aiškinamasis žodynėlis
Karl Guthe Jansky — Infobox Scientist name = Karl Guthe Jansky box width = image size = 150px caption = Karl Guthe Jansky birth date = October 22, 1905 birth place = Territory of Oklahoma death date = February 14, 1950 death place = Red Bank, New Jersey residence =… … Wikipedia