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TIL: There is a machine that transforms concrete rubble into Lego like building blocks. The blocks allow victims of war or natural disasters to construct their own new, earthquake resistant houses.

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via reddit.com

p8mO4 TIL Roughly 2% of the U.S. population, an estimated 620,000 men, died serving in the American Civil War. As a percentage of today's population the toll would have risen as high as 6 million. For every 3 soldiers killed in battle, 5 more died of disease.
LkByv TIL to comply with Chinese censorship, PUBG's distributor, Tencent, reskinned the game and rebranded it as "Game for Peace." Among the changes are the lack of gore and enemies cheerfully waving goodbye instead of dying.
njrG TIL At the peak of its popularity, Farmville players outnumbered real farmers 60 to 1.
VM79p TIL that an Israeli company, (Aleph Farms) 3D printed meat in space from cells extracted from a cow.
o0Q7 TIL when an architecture student alerted engineers that an NYC skyscraper might collapse in an upcoming storm (Hurricane Ella), the city kept it secret then reinforced the building overnight (while police developed a ten-block evacuation plan).