Some articles on microwave, microwaves:
Rectenna
... antenna, a special type of antenna that is used to convert microwave energy into direct current electricity ... the AC current induced in the antenna by the microwaves, to produce DC power, which powers a load connected across the diode ... Brown, who demonstrated it with a model helicopter powered by microwaves transmitted from the ground, received by an attached rectenna ...
... antenna, a special type of antenna that is used to convert microwave energy into direct current electricity ... the AC current induced in the antenna by the microwaves, to produce DC power, which powers a load connected across the diode ... Brown, who demonstrated it with a model helicopter powered by microwaves transmitted from the ground, received by an attached rectenna ...
Auto Relay - Microwaves
... Microwaves also cause these strange "relays" when they are just plugged in to an outlet for the first time ... occurs but speculation is that small chips inside the microwave transmit high powered sound pitches that a television mistakes for a remote frequency ...
... Microwaves also cause these strange "relays" when they are just plugged in to an outlet for the first time ... occurs but speculation is that small chips inside the microwave transmit high powered sound pitches that a television mistakes for a remote frequency ...
Microwave - Health Effects
... information Electromagnetic radiation and health and Microwave burn Microwaves do not contain sufficient energy to chemically change substances by ionization, and so are an example of nonionizing radiation ... It has not been shown conclusively that microwaves (or other nonionizing electromagnetic radiation) have significant adverse biological effects at low levels ... can cause heating and burns like any heat source, and not a unique property of microwaves specifically ...
... information Electromagnetic radiation and health and Microwave burn Microwaves do not contain sufficient energy to chemically change substances by ionization, and so are an example of nonionizing radiation ... It has not been shown conclusively that microwaves (or other nonionizing electromagnetic radiation) have significant adverse biological effects at low levels ... can cause heating and burns like any heat source, and not a unique property of microwaves specifically ...
Microwave Transmission - Parabolic (microwave) Antenna
... To direct microwaves in narrow beams for point-to-point communication links or radiolocation (radar), a parabolic antenna is usually used ... This is an antenna that uses a parabolic reflector to direct the microwaves ... The relatively short wavelength of microwaves allows reasonably sized dishes to exhibit the desired highly directional response for both receiving and transmitting ...
... To direct microwaves in narrow beams for point-to-point communication links or radiolocation (radar), a parabolic antenna is usually used ... This is an antenna that uses a parabolic reflector to direct the microwaves ... The relatively short wavelength of microwaves allows reasonably sized dishes to exhibit the desired highly directional response for both receiving and transmitting ...
Microwave - History and Research
... the existence of radio waves by building a spark gap radio transmitter that produced 450 MHz microwaves, in the UHF region ... research into the propagation of microwaves ... Perhaps the first, documented, formal use of the term microwave occurred in 1931 "When trials with wavelengths as low as 18 cm were made known, there was undisguised ...
... the existence of radio waves by building a spark gap radio transmitter that produced 450 MHz microwaves, in the UHF region ... research into the propagation of microwaves ... Perhaps the first, documented, formal use of the term microwave occurred in 1931 "When trials with wavelengths as low as 18 cm were made known, there was undisguised ...
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