› added 6 years ago

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TIL of Elizabeth Jennings Graham, a black woman who in 1854, insisted that she ride in a segregated streetcar. Her main lawyer, future president Chester A Arthur, won the case and all streetcars in New York became desegregated.

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LGlV TIL the Super Bowl has required national anthem vocals to be pre-recorded since 1993 when Garth Brooks declined to pre-record and then refused to sing live until a dispute over debuting a music video during the game could be settled, resulting in a delayed kickoff.
9YXmG TIL that humans have patterns that are invisible under normal conditions - we have stripes. They follow a "V" shape over the back, "S" shaped whirls over the chest and sides, and wavy shapes on the head.
Na4M TIL Scenes in the movie Terminator 2, where Sarah Connor and the T-1000’s facsimile of her are in the same shot aren’t CGI. Rather, it is Lina Hamilton and her non-actress identical twin sister, Leslie Hamilton, who acts as a very realistic body double.
xoEw TIL that the danger from accidentally dropping one of the lamps used in an IMAX projector is so great that projectionists must wear body armor while doing so
KYGm9 TIL the Chandra X-Ray Telescope captures X-ray photons at a calculated angle, using the same ancient technique as stone-skimming, otherwise the X-rays would pass straight through the mirror.