An oven that heats food using microwave radiation. The first microwave oven was demonstrated by Westinghouse at the 1933 World's Fair in Chicago. Its 10-kilowatt shortwave radio transmitter cooked ...

Dennis G. Hall is a licensed amateur radio operator and a professor emeritus at Vanderbilt University. An old joke asks: what washes up onto tiny beaches? The answer is microwaves. In truth, we are ...

When you buy through our links, Business Insider may earn an affiliate commission. Learn more No matter how much we love our air fryers and brag about our sous vide steak dinners, the humble microwave ...

Microwave ovens have added convenience to millions of households ever since their introduction in the early 1970s. They can zap entire meals in a few minutes and reheat leftovers like a charm.