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TIL NASA scientists created a nanoscale vacuum tube that can potentially replace silicon transistors in future electronics

Read more spectrum.ieee.org

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N7pNP TIL why high humidity sucks. When the humidity is at 100%, the air cannot absorb anymore moisture. That means the sweat will not evaporate off your skin to cool you off no matter how hot the temperature is.
K87E TIL an upper east side apartment was remodeled to include many puzzles, riddles, ciphers, and other hidden games. The owners had no prior knowledge of this and didn’t discover the first clue until living there for four months.
7rRAZ TIL of a "Bezoar", the accumulation of ingested material such as hair, fur or fiber in the stomach that forms a large stone. Once prized as magical items with protective properties. There was a gold-framed bezoar in the Crown Jewels of Queen Elizabeth I as recently as 1962.
v61K TIL George Lucas has already written 50 episodes of a live action Star Wars Tv series. Its been on hold untill technology advances enough to make it affordable. But now Disney is thinking about making the series.
bedj TIL in Christmas 2010, the Colombian government covered jungle trees with lights. When FARC guerrillas walked by, the trees lit up and banners asking them to lay down their arms became visible. 331 guerrillas re-entered society and the campaign won an award for strategic marketing excellence.