› added 8 years ago

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TIL of the “Sisyphus Train,” a project currently underway in Nevada meant to recover surplus grid power that can’t be stored very easily. During the day, the excess power is used to drive the train up a hill. At night, the train rolls back down, generating it all back again.

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via reddit.com

yyRw TIL that In 1963, a 16-year-old mailed a survey to 150 novelists, asking if they intentionally planted symbolism in their work. Jack Kerouac, Ralph Ellison, Ray Bradbury and other notable names responded.
wLb5o TIL about bagel head: a type of temporary body modification practiced in Japan that uses a saline drip to make the forehead resemble a bagel or doughnut for up to 24 hours.
ePe6 TIL that male giraffes have sex with other males more frequently than they have sex with female giraffes.
neB9B TIL: The International Space Station weighs almost 463 tons (925,300 lbs)
gMb8D TIL scattered around Roopkund Lake in the Indian Himalaya are the bones of about 800 people who seemingly died in a single unkown event in 800 AD. Newer studies reveal that some of the bones belong to another group of people who also died in a single event. Except a thousand years after the others.