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oct 6, 1940 - Cavity Magnetron

Description:

In October of 1940, a device called the Cavity Magnetron was introduced to the U.S. This device helped produce micro wavelengths over greater distances. Thanks to this invention, microwaves were invented. The consumption of food has never been the same.

Added to timeline:

18 May 2021
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Date:

oct 6, 1940
Now
~ 85 years ago