microwave magnetron
51Superheating — See superheater for the device used in steam engines. In physics, superheating (sometimes referred to as boiling retardation, or boiling delay) is the phenomenon in which a liquid is heated to a temperature higher than its standard boiling point …
52Radar — For other uses, see Radar (disambiguation). A long range radar antenna, known as ALTAIR, used to detect and track space objects in conjunction with ABM testing at the Ronald Reagan Test Site on Kwajalein Atoll …
53PIN diode — Layers of a PIN diode A PIN diode is a diode with a wide, lightly doped near intrinsic semiconductor region between a p type semiconductor and an n type semiconductor region. The p type and n type regions are typically heavily doped because they… …
54Oven — depicted in a painting by Jean François Millet An oven is a thermally insulated chamber used for the heating, baking or drying of a substance.[1] It is most commonly used for cooking …
55Electromagnetic spectrum — The electromagnetic (EM) spectrum is the range of all possible electromagnetic radiation frequencies. [cite web|url=http://imagine.gsfc.nasa.gov/docs/dict ei.html#em spectrum|title=Imagine the Universe! Dictionary] The electromagnetic spectrum… …
56Space solar power — Space based solar power (SBSP or SSP) is the conversion of solar energy into power, usable either in space or on earth, from a location in space, usually geosynchronous orbit (GSO). Photovoltaics (PV) would generally be utilized for energy… …
57Alfred Lee Loomis — (November 4, 1887 ndash; August 11, 1975) was an American attorney, investment banker, physicist, philanthropist, and patron of scientific research. He established the Loomis Laboratory in Tuxedo Park, New York, and his role in the development of …
58Resonator — A resonator is a device or system that exhibits resonance or resonant behavior, that is, it naturally oscillates at some frequencies, called its resonance frequencies, with greater amplitude than at others. Although its usage has broadened, the… …
59English inventions and discoveries — are objects, processes or techniques which owe their existence either partially or entirely to a person born in England; in some cases, their Englishness is determined by the fact that they were born in England, of non English people working in… …
60Microondas — Para otros usos de este término, véase Microondas (desambiguación). Torre de telecomunicaciones mediante microondas en Wellington Nueva Zelanda. El rango de frecuencias de microondas es utilizada para transmisiones de televisión (500–900 MHz,… …
