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Inventions

How Does A Microwave Work?

Percy Spencer accidentally invented the microwave oven when testing high-intensity microwaves for use in radar.

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Key Facts In This Video

  1. Microwaves are a type of electromagnetic radiation and are used to heat our food. 00:30

  2. The first microwave ovens were over six feet tall and several hundred pounds. 02:45

  3. It's the length of the wave that enable microwaves to cook food. 03:16

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