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Your microwave uses technology built to track enemy aircraft - here’s how it heats dinner
The microwave oven traces its origins to World War II radar technology and an accidental discovery involving a melted candy bar. Engineer Percy Spencer realized that microwaves from a magnetron could ...
NBC Selected independently determines what we cover and recommend. When you click on or buy through our links, we earn a commission. Learn more. Shalwah Evans Senior Editor NBC Selected Staff Staff ...
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