Pierre Jaquet-Droz, a watchmaker, 240 years ago invented a robot that could write, and the parts could be interchanged to say whatever you want.
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In 1982, a high school student from Los Angeles, California unscrambled the Rubik's Cube in 22.95 seconds.
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Leonardo Da Vinci predicted the mass use of solar energy as long ago as 1447.
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February 1865 is the only month in recorded history to not have a full moon.
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The ancient Egyptians bought jewelry for their pet crocodiles.
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