Branly, Édouard
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Antenna , antenna (ăntĕn´ə), in electronics, system of wires or other conductors used to transmit or receive radio or other electromagnetic waves (see radio);… Radio waves , radio telescope Instrument used to collect and record radio waves from space. The basic design is the large single dish or parabolic reflector, up to… Radio Astronomy , Matter in the universe emits radiation (energy) from all parts of the electromagnetic spectrum, the range of wavelengths produced by the interaction… Electromagnetic Radiation , electromagnetic radiation,energy radiated in the form of a wave as a result of the motion of electric charges. A moving charge gives rise to a magnet… Grote Reber , Grote Reber
Grote Reber
Grote Reber (born 1911) was a radio engineer who became interested in radio astronomy as a hobby. He built the first radio te… Radar , RADAR
█ LARRY GILMAN
RADAR—an acronym for RAdio Detection And Ranging— is the use of electromagnetic waves at sub-optical frequencies (i.e., less tha…
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Branly, Édouard