› added 7 years ago

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TIL that capacitive touchscreens (the kind in smartphones) emit a small ammount of electricity and when you touch it, your finger absorbs some of the electricity. This is how your phone knows the difference between an eraser and your finger.

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awQX9 TIL that atmospheric pressure at sea level is 14 psi. In other words, your small kitchen table has the weight of like 10 cars on it. And the only reason it doesn't collapse is because the weight of 10 cars is also pushing UP from the bottom (and in all directions). Tis a thiccc atmosphere.
gMwBX TIL The discovery of tomato plant on Surtsey in 1969 troubled scientists, since the volcanic island had only formed a few years earlier and thus had no life except the scientists who studied it. The mystery was solved when a scientist discovered traces of human feces near the plant: his own poo
8aLmP TIL about the American Revolution's Pine Tree Flag which featured the words "An Appeal to Heaven." It was one of a few different flag designs used for the new nation during the war.
X0Anr TIL that a man planned to kill Jodie Foster but changed his mind after seeing her in a stage play
oBZWK Ultra-endurance bicycle racer Lael Wilcox puts more miles on her bike every year than most people do on their cars. Here's how she trains for and rides some of the toughest races on earth.