› added 4 years ago

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TIL that term "laser" originated as an acronym for "light amplification by stimulated emission of radiation".

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JYd68 TIL in Ancient Rome some condemned prisoners were executed onstage at the theater as "actors" for famous death scenes
Lgy0 TIL 1 out of every 3 people sneeze when exposed to bright light.
4k0pJ TIL Leonard DaVinci wrote most of his papers backwards.
bvlN TIL that Ronnie Van Zant of Lynyrd Skynyrd would say to his friends and family that we would never live to be thirty. He was 29 when he was killed in a plane crash while on tour.
M7Xeb TIL about Frances Glessner Lee, Harvard Professor, considered the “Mother of forensic science.” As fresh crime scenes were difficult to get for study, she created dioramas of meticulous detail based on actual crimes. Including body position, blood splatter, etc. The dioramas are still in use today.