› added 8 years ago

77

TIL: Georg Alexander Pick, mathematician who helped Einstein on general relativity, died in a concentration camp

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6EnkY TIL that there are different dimple patterns, shapes & colours on UK pavement that help the partially-sighted/blind know what kind of junction they are at.
KOLAG TIL about, "The Thing." It was an American seal gifted to the American ambassador to Russia. Contained in it was one of the first examples of a passive listening device that was powered by an external radio source. It also hung in his study for 7 years.
R841 TIL that a man robbing a Sprint store painted his face gold as a disguise. Afterwards he was having trouble breathing and died wheezing shortly after the robbery took place. And the witnesses were still able to identify him making his “disguise” useless.
v1gk7 TIL that there are only 4 passports whose holders can enter the world's largest economies [i.e. USA, EU, China, India] without a visa: Japan, Singapore, Brunei, and San Marino
e0v56 TIL: One of the shortest operas which is regularly performed concerns the emotional lives of two unhappily married couples as they play a hand of Bridge.