› added 1 year ago

78

TIL Checkless Chess is a variant of chess where check is illegal unless it is checkmate

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69LmJ TIL Bananas glow blue under black lights.
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16BG8 TIL that the only known portrait of the famous mathematician Adrien-Marie Legendre is a caricature, and the only other depiction was discovered in 2005 to be a portrait of another Legendre.
QNXaM TIL Heder Lamarr was not only a fantastic actress, but an engineer as well. And she helped developed what would become WiFi.
mxA5M TIL the first military personnel to be made aware of the 9/11 hijackings were taking part in a preparation exercise. As a result, they weren't sure if the information was authentic.