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TIL In 2009 Sunagor launched what they claim to be the world's most powerful commercially available binoculars, going up to 160x magnification with a diameter of 70mm objectives

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aXJ9 TIL scientists found that men wearing white t-shirts with a large black letter “T” printed on the front were 12% more attractive to women. The t-shirt creates the illusion of broadened shoulders and a slim waist, a male body shape women typically find attractive.
7okP TIL Western science hadn’t yet discovered the Gorilla when Darwin was writing ‘On The Origin of Species’
7bvp TIL a key aerospace scientist in the U.S. named Qian Xue Shen, was forced to return to China during the Red Scare, where he founded the Chinese space and missile programs.
yRpM TIL engineers building a bridge between Germany and Switzerland found that when the two halves met their elevations differed by 54 cm. Germany bases sea level on the North Sea, and Switzerland by the Mediterranean; someone messed up the correction, doubling it instead of cancelling it out.
gMrV9 TIL parents in China can sue their children if they do not visit often enough