› added 6 years ago

122

TIL that the Pythagorean theorem was discovered and proven by Babylonian mathematicians 1000 years before Pythagoras was born

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neeKY TIL we never see things as they are now, but as they were in the past, the delay is caused by the time it takes light to reach your eyes. We see the Moon as it was approximately 1.3 seconds in the past, the Sun as it was 8 minutes in the past, the Andromeda Galaxy 2.5 million years in the past.
Z8w7a TIL that George Harrison briefly quit the Beatles and John Lennon suggested replacing him with Eric Clapton, saying “he's just as good and not such a headache."
p8xVp TIL The Black Death Plague in Medieval Times Led to a Breakdown in Morals and Drunken Orgy Parties
oBgyr TIL that a 'knot' is tied in a single piece of rope. Something that ties two pieces of string together is called a 'bend'.
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