1 jan 1946 ano - Microwave ovens are first introduced

Descrição:

Microwaves are one of the inventions that came from Radar. The first microwaves were termed Radarange by combining the terms radar and range. The ovens were designed from tubes that were used to generate microwaves for military radar and were observed to heat up objects placed near them.
https://spectrum.ieee.org/tech-history/space-age/a-brief-history-of-the-microwave-oven

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