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Physics has the answer.

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jNQEX TIL Dorothea Lange, famous depression era photographer, documented the internment of Japanese-Americans in 1942. The unflattering photos were quietly deposited into the National Archives, where they remained largely unseen until 2006.
ADkoB TIL the Aztec death whistle produces a horrifying sound sometimes described as “the scream of thousand corpses”
jNZLE TIL that while they were originally thought to be white with black stripes because of their white belly, zebras are actually black (where the pigment is activated) with white stripes (where the pigment is inhibited) as shows embryological evidence
8LMX TIL Michael Buffer has made over $400M by licensing the use of his trademark catchphrase, “Let’s get ready to rumble!”
E7pw TIL in 1770 a man invented a machine that could play a strong game of chess against a human opponent. The “android” that played the game was nicknamed The Turk (as was the machine itself). It wasn’t until 1857 that it was revealed to be a hoax (a chess master was hiding in the machine).