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TIL the 3D shape that we know as a donut 🍩 is scientifically named “torus”

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9Ygwm TIL Caucasia is a real place, not just a joke my friends and I make about white people.
Wk898 TIL Radar was developed as a consequence of the urgent need to counter Nazi bomber attacks. The British Radio Research Station was asked to investigate a radio-based "death ray", but found it was more practical to use radio to detect enemy aircraft
0W0L TIL in 1993 Jack in the Box caused the most infamous food poison outbreak in contemporary history, 732 people were infected with E. coli, 4 children died and 178 other victims were left with permanent injury including kidney and brain damage.
4Xl8N TIL about the ~2,000 yr old Roman aqueduct in Segovia Spain. 15km long. Almost 100 ft at highest. Almost 2,000 km by road to Rome. Carried water into the 1920's
WllB TIL that David Robinson grew so tall (7'0" by graduation) at the Naval Academy that he could not have served at sea, hurting any career in the US Navy. Instead of leaving the academy, as a compromise he was assigned to shore duty as an engineer before becoming a basketball superstar in the NBA.