› added 9 years ago

99

TIL that Google Maps calculates traffic by tracking how fast Android devices are moving on the road.

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via reddit.com

JLk1 TIL that the flashes of color you see in your eye after you rub them are called phosphenes.
a8rgy TIL about CSD500 condoms, which enhance erection firmness and men report feel better than no condom at all, but are only available in a very select few countries.
MejEB TIL : There is a method to cut a cake between 3 people where everyone "thinks" they got the best slice. Because of that, this method is called envy free cutting. Same method can be generalized for any number of people, but its gets complicated.
jEmp TIL that Quincy Jones composed the music for the Fresh Prince of Bel-Air intro
VMpZp TIL that a Marine called customer service when his M107 .50 caliber sniper rifle failed during a gunfight with the Taliban. After several minutes the weapon was back in service.