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wireless high power transmission using microwaves is well proven.
wireless high power transmission using microwaves is well proven.

=== microwaves ===before world war 2, little progress was made in wireless power transmission.
===microwaves===before world war 2, little progress was made in wireless power transmission.

la misión del journal of microwaves, optoelectronics and electromagnetic applications es difundir conocimientos científicos y técnicos en las áreas de microondas, optoelectrónica y electromagnetismo aplicado.
the main mission of the journal of microwaves, optoelectronics and electromagnetic applications is to disseminate scientific and technical knowledge in the fields of microwaves, optoelectronics and applied electromagnetism.

for power transmission, efficient transmission required transmitters that could generate higher-frequency microwaves, which can be focused in narrow beams towards a receiver.
for power transmission, efficient transmission required transmitters that could generate higher-frequency microwaves, which can be focused in narrow beams towards a receiver.

conceived in 1968 by peter glaser, this would harvest energy from sunlight using solar cells and beam it down to earth as microwaves to huge rectennas, which would convert it to electrical energy on the electric power grid.
conceived in 1968 by peter glaser, this would harvest energy from sunlight using solar cells and beam it down to earth as microwaves to huge rectennas, which would convert it to electrical energy on the electric power grid.

in 1964 brown invented the rectenna which could efficiently convert microwaves to dc power, and in 1964 demonstrated it with the first wireless-powered aircraft, a model helicopter powered by microwaves beamed from the ground.
in 1964 brown invented the rectenna which could efficiently convert microwaves to dc power, and in 1964 demonstrated it with the first wireless-powered aircraft, a model helicopter powered by microwaves beamed from the ground.

=== microwaves ===power transmission via radio waves can be made more directional, allowing longer distance power beaming, with shorter wavelengths of electromagnetic radiation, typically in the microwave range.
===microwaves===power transmission via radio waves can be made more directional, allowing longer distance power beaming, with shorter wavelengths of electromagnetic radiation, typically in the microwave range.

gas liquid chromatography, microwave plasma type
gas liquid chromatography, microwave plasma type (procedure)