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TIL while free to watch online, the single ticket price for attending a TED talk starts at $10,000

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0wXMN TIL That most of the Streetlight buttons in cities like NYC, Boston and Seattle dont actually function anymore. they have been left in place to give pedestrians a placebo illusion of control over traffic flow.
GA9MQ TIL: That in Southern India the elderly are regularly killed by their families using coconut water. The practice is called Thalaikoothal.
Me5KA TIL that US submarine torpedos in WW II often failed to detonate due to faulty design of their firing pins. To correct the problem, Pearl Harbor workshops designed and mass produced new firing pins from the propeller blades of Japanese aircraft downed in the December 7, 1941 attack on Pearl Harbor.
4kgLX TIL Tele Vue founder Al Nagler designed optics for visual simulators used to train astronauts in piloting the Gemini spacecraft and the Apollo Lunar Module
7vDb TIL that “Margaritaville” singer Jimmy Buffett appeared in the movie Jurassic World as a fleeing park goer, carrying two margaritas in his hands as he fled.