› added 1 year ago

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TIL the Pentagon launched up to 25 unmanned, high-altitude, solar-powered, mass surveillance balloons over the US in 2019

Read more theguardian.com

via reddit.com

9wQj7 TIL That in case of emergency in a railroad crossing, instead of dialing 911, we should first look out for a blue and white sign that has a phone number that will get you in touch with the railroad dispatcher, who can radio the engineers of nearby trains to immediately stop short of that crossing.
A8Zo TIL there are 20 dogs on the Moscow Metro that have learnt how to use the system as a means of commuting
7dMO TIL religious belief in America has hit an all time low. Prayer rates have decreased fivefold since the early 1980s and many Americans think the bible is is an “ancient book of fables, legends, history, and moral precepts recorded by men”
LQQpr TIL that the Grease was originally a play based on the writer's teen years in Chicago, and the male characters were toughs with Polish surnames. The toughs were made more likeable when the play went to New York and became a musical, and the Polish influence was toned down for the movie.
6abQ TIL of the Trachtenberg speed math system used to multiply large numbers in your head. It was developed by a Jew, Jakow Trachtenberg, while being held in a nazi concentration camp. He developed this technique as a distraction from the horrors surrounding him.