Nothing. The microwave oven was actually invented by accident when a WWII-era magnetron technician noted that the candy bars in his pocket kept melting. https

Nothing. The microwave oven was actually invented by accident when a WWII-era magnetron technician noted that the candy bars in his pocket kept melting. https://spectrum.ieee.org/tech-history/space-age/a-brief-history-of-the-microwave-oven https://spectrum.ieee.org/tech-history/space-age/a-brief-his...