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Microwave Oven
You pop in some leftovers, press the 30-second button, and voila—a hot meal! Microwaves are a wonder, but would you believe they were accidentally invented by scientists working on top-secret war equipment? Fun Facts During World War II in Great Britain, John Randall and H.A.H. Boots were working on ways to make radar better. They wanted to make a highly accurate radar that could be...