Leonardo Da Vinci predicted the mass use of solar energy as long ago as 1447.
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If Earth's history was condensed into twenty-four hours, life would've appeared at around 4am, land plants at 10:24pm, dinosaur extinction at 11:41pm, and human history would’ve began at 11:58:43pm.
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During the Black Plague, it was thought that bad smells were the cause of the plague. "Plague Doctors" therefore wore masks with long beak-like noses stuffed with flowers or smoke to hide the smells.
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Beethoven, was told by a music teacher that he had no talent for music. In fact, this teacher once remarked, “As a composer he is hopeless.”
184
Leonardo Da Vinci made a robotic lion in 1515 that would walk, sway, open its mouth and move its tail - it even had a compartment that opened to present flowers.
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