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110

TIL that a laser can get trapped in water

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eB1E TIL the inventor of cell phone batteries, LCD-screens and rewritable CDs, Stanford R. Ovshinsky, was self taught and without formal college training.
BrYwb TIL that in 1978 Sigmund Jähn, an East German Air Force pilot, was the first German in space. He joined the crew of Soyuz 31 on a manned space mission to the Soviet space station Salyut 6. Sigmund died on Sept. 21, 2019, at age 82.
J19ml TIL that the dutch word for nephew is the same for cousin
6E7mJ TIL that there is a fish that can cause hallucinations when eaten. The Ancient Romans consumed it as a drug, and its name in Arabic means "the fish that makes dreams". Its effects are thought to come from the fish's diet of phytoplankton.
4kVRb TIL that the British call crosswalks "zebra crossings"