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TIL Computers can only generate 'true random' numbers by measuring unpredictable real-world physical phenomenon such as radioactive-decay or noise, whilst many generate 'psuedo-random' numbers which are not truly random and are produced using mathematical algorithms based on an initial value.

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XEOaP TIL that prisoners in Auschwitz concentration camp attacked the SS guards with stones, axes, and makeshift hand grenades and killed 3 Nazi SS guards, one of whom was burned alive by the prisoners in the oven of Crematorium II.
ABPx TIL that one of the first films ever recorded on Thomas Edison’s Kinetograph was a shot of two cats wearing boxing gloves and fighting each other in a boxing ring. It is titled “Prof. Welton’s Boxing Cats.” Very likely the first cat video ever recorded.
D1oZr TIL about the Spotlight Effect, due to which people constantly believe that they are being noticed much more than they really are. Since the centre of one's own world is oneself, and not others, you cannot correctly evaluate how others feel about you.
ep0mn TIL that Alan Turing (cryptographer responsible for breaking the Nazi Enigma code during World War II) was also an Olympic-level runner and he developed a new field of biology out of his fascination with daisies.
nWapY TIL that a TV show called “This Is Your Life” invited Kiyoshi Tanimoto, a Japanese minister and atomic bomb survivor from Hiroshima. The show also featured a surprise guest, Robert Lewis, copilot of the Enola Gay.