![]() This device produces high-frequency electromagnetic radiation. ![]() Magnetrons are the reason why you can’t put metal inside a microwave. This is the reason why food with higher water content usually cooks faster. When exposed to high-frequency waves, water molecules on your food vibrate, producing heat. To avoid these waves from escaping, he enclosed this equipment in a thick metal box. The self-taught inventor reproduced microwaves from something called a magnetron: a device that gives off high-frequency magnetic waves. In concept, the microwave oven has remained unchanged since Percy Spencer’s initial prototypes. Tips and tricks on how to use a microwave.What to consider when buying a microwave oven.How does a microwave heat up your food?.If you’re thinking of buying one, you might find the following information helpful: It is a convenient appliance that allows you to quickly cook and reheat your meals and takes up less space than your average gas range. These days, you’ll find a microwave in most kitchens. The self-taught engineer and inventor had discovered that microwaves could heat food, and excitedly started experimenting with different food, including popcorn and oddly enough, eggs. When inventor and scientist Percy Spencer observed that his chocolate bars melted in the presence of active radar, nobody anticipated the impact his discovery would have on modern cooking.
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