Did you know that the microwave was invented after a researcher walked by a radar tube and a candy bar melted in his pocket? It was accidentally discovered by Percy Spencer in 1945. And the first food deliberately cooked was popcorn and an egg. The company he worked for (Raytheon) build the first available microwave oven. In the 1950s these machines were still too large and expensive for normal home use. Just in the late 1960s people could buy and use a countertop microwave oven.
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