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TIL molten glass becomes a conductor of electricity.

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M897 TIL The asteroid impact that killed the dinosaurs was powerful enough to send Earth rocks to Mars and even Europa. As a result, if we ever find life on those worlds it may actually have originated on our own planet.
Bg4lk TIL the video game Concord reportedly had a $400 million budget; Sony believed it would eventually expand into a Star Wars-level franchise with many spinoffs. But unprecedentedly low sales for a project of its size led to it being shut down 2 weeks after release, with all sold copies being refunded.
5YyX9 TIL that the US government only decided to give citizenship to Native Americans in 1924.
eGE5 TIL that the Chinese city of Guangzhou had no subway whatsoever 20 years ago. Today, its subway system has 186 stations and is 191 miles/307 km long. It is today the world’s fourth busiest metro system, beating New York’s, London’s, Moscow’s and Paris’ in terms of ridership.
YvVG TIL A hotel in Nigeria was closed earlier this year for serving human meat and having human heads on the menu as a delicacy