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TIL a hologram is a photographic recording of a light field, rather than an image formed by a lens.

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R5gDw TIL Tolkien wanted to create what we would nowadays call a transmedia multiverse. "I would draw some of the great tales in fullness, and leave many only placed in the scheme. The cycles should be linked and yet leave scope for other minds and hands, wielding paint and music and drama. Absurd."
mx99v TIL there is a proposal by the Berlin state sport association for a joint Berlin-Tel Aviv summer Olympics in 2036, 100 years after the 1936 Berlin Olympics in Nazi Germany.
64PQ TIL 3 people were hanged for the 1660 murder of William Harrison in the year 1661. In 1662, William Harrison returned on a ship after escaping slavery, having been kidnapped by pirates. This lead to the “no body, no murder” rule.
VXdZ TIL that the worst industrial accident occured in Texas City, Texas in 1947. It was so powerful that it launched a 2 ton anchor over 2km, leveled 1,000 buildings and destroyed small aircraft flying overheard. It lead to the first class action lawsuit against the U.S. government.
wW4W TIL Pepsi became a military power in 1989 after Russia could not pay them in rubles. Russia paid with diesel submarines and a few ships instead.