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Shortly after WWII research was being done on uses for radar. While doing research a scientist discovered that a chocolate bar in his pocket melted. They then started trying other item and thus discovered that microwaves heated items. The first commercial microwave oven came out in 1949.

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What was Percy L Spencers Invention?

microwave oven


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The microwave oven was invented after a researcher Percy Spencer walked by a radar tube and a chocolate bar melted in his pocket.


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One invention that came about because of a mistake was the microwave oven. Another invention of this type is silly putty.


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The patent number for the microwave oven is US2891445A, granted on July 7, 1959, to Percy Spencer. He developed the technology that utilizes microwave radiation for cooking food, leading to the modern microwave oven. This invention revolutionized food preparation and cooking methods.


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Which kind of oven operates on short electromagnetic waves?

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Is a microwave oven a Faraday cage?

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