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In 1945, engineer Percy Spencer noticed his chocolate bar... | funfact.wiki | funfact.wiki
In 1945, engineer Percy Spencer noticed his chocolate bar had melted near a radar device. He tried popcorn—it popped. An egg exploded. Realizing microwaves heated water molecules, he patented the idea, and the world's first microwave oven was born.
  • Radar
  • Microwave oven
  • Invention
  • Food
  • Cooking
  • Chocolate
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The word 'ketchup' comes from '膎汁' (kôe-chiap) in the Chinese Min Nan dialect, meaning 'fish sauce.' It was originally a fermented fish and shellfish sauce—tomato ketchup was not invented until 1812.
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The world's first sunglasses were invented about 2,000 years ago by Arctic indigenous people. They carved animal bones or ivory to fit the face with thin slits, preventing snow blindness from UV rays reflected off the snow.
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The lighter was invented before the match. In 1823, German chemist Döbereiner created the first lighter using hydrogen from a zinc-sulfuric acid reaction. The friction match wasn't invented until 1827, four years later, by English chemist John Walker.
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About 1,700 years before James Watt, the Egyptian mathematician Heron invented the first steam engine, the Aeolipile. A sphere filled with water, when heated, released steam through nozzles, spinning the ball — likely used to open temple doors.
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Korea's 17th-century text 'Jibong Yuseol' records that chili peppers were introduced from Japan, while Japan's 'Yamato Honzō' claims seeds were brought back from Korea during Hideyoshi's invasion. Both countries believe chili peppers came from the other.
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