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7 years ago
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Ask an astrobiological philosopher!
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popsci.com
NXMnb
TIL The internal GPS of a specialized tracking mount for solar astronomy takes two minutes for its sun-sensor to detect the sun. It can also model the sun's position if it goes behind a cloud
8p0L
TIL that a there is a traditional British army drink called gunfire made of black tea and rum. Officers serve it to lower ranks on Christmas. During the Korean war, British soldiers once gave gunfire to some American MPs, causing them to drive an ARV and some Jeeps into a fence.
4koYb
TIL that when typing on a mobile phone, you can slide on the spacebar to move the cursor
6ENB7
TIL scientists attached stilts to the legs of ants to prove that they return to their nests by counting their steps. The ants with stilts overshot their nest by roughly 50% due to the new length of their steps.
XjYE
TIL in 2003, the US sugar industry lobbied congress to block a WHO report which would set guidelines for sugar intake at 10% of daily calories. Congress blocked the report by threatening to cut all WHO funding if it was released, & backed the industry’s sugar intake recommendation of 25% daily.