› added 7 years ago

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TIL: Once the Tesla Gigafactory is operating at 100% capacity, it will churn out more lithium-ion batteries in one year than were produced worldwide in 2013

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YpEjB TIL Child labor in the United States was largely ended by a photographer named Lewis Wickes Hine. He took child laborers photos at eye level to humanize and personalize each child. He captured nearly identical pictures across the country to show lawmakers this was a systemic problem.
epAEg TIL: Until it's collapse in 1991, the Warsaw Radio Mast was the tallest radio tower ever built at 2,120ft. It was built with the intent to broadcast communist propaganda worldwide.
xkL0 TIL the leading cause of a death for a white capuchin monkey in the wild is being murdered by another white capuchin monkey.
AwLa TIL Nikolai Tesla patented a one-way-valve with no moving parts in 1920 (Patent US1329559)
vPNJB TIL the domestic cat (Felis catus) is linked to the extinction of at least 63 vertebrate species (40 birds, 2 reptiles, and 21 mammals).