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TIL the 1987 "Max Headroom" TV hack used the analog "capture effect," in which a stronger signal completely suppresses a weaker one. Since the U.S. switched to digital signals in 2009, which do not behave in a similar way, this specific intrusion is now considered impossible to replicate.

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p8wOA TIL it is illegal in China to be reincarnated without government approval.
epQvb TIL the most reliable record-high IQ score ever recorded belongs to mathematician Terence Tao, with a confirmed IQ of 230.
964p TIL Adolf Hitler’s nephew escaped from Germany, moved to the United States, and enlisted in the US Navy fighting the axis powers during WWII.
nKbP TIL that during the OJ Simpson verdict broadcast “Long-distance telephone call volume declined by 58% and trading volume on the New York Stock Exchange by 41%, water usage decreased as people avoided using bathrooms … the verdict cost an estimated $480 million in lost productivity.”
jNyEQ TIL: When the Krakatoa volcano erupted in 1883, It was so powerful that it ruptured the eardrums of sailors 64 km (40 miles) away on ships in the Sunda Strait