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TIL that in Scarface (1983) The prop firearms were equipped with electronic synchronizing devices so that they would only fire when the camera shutter was open. The result was that the guns' muzzle flashes are much more visible and consistent than in most movies

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Vkw4 TIL of “Unsinkable Sam” known to the Germans as “Oscar” a cat that served on 3 warships, one German, two British, all sank in action. The cat survived each sinking, floating away on wooden planks to rescue.
JY77j TIL that New Zealand is a small piece of the 8th continent Zealandia. It is known as a drowned continent.
ADOnl TIL NASA is using automated computer design which uses evolutionary algorithm that mimics Darwinian evolution to design antenna for radio communication which produces unusual looking but very high efficiency antennas called Evolved Antenna
E1ANp TIL that hog rectum and calamari have a taste and texture similar enough to be hard to tell apart
NXPYM TIL that because of the amount of time it saves, the washing machine has been called "the greatest invention of the industrial revolution.” Others have considered it a key driver of women’s liberation.