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Hey everyone ! In 1945, an engineer working for Raytheon discovered that a candy bar in his pocket melted while he was working with a magnetron device that was used in military radar systems. Realizing that the radiation was cooking his candy, inventor Percy Spencer developed the first microwave, which at the time was more than five feet tall and cost roughly $5,000! It is hard to imagine the hassle we all went through to reheat lunch or fill a bowl of popcorn before the advent of the microwave oven. I can`t imagine not having a microwave, can you ?
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Source link: http://www.smecc.org/micro1.jpg