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TIL Leo the Mathematician devised a network of communication beacons that was built and operated around 1100 years ago. Based on modern experiments, the network's several branches could transmit and receive messages at a speed of 450 miles per hour

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8aeK4 TIL There are weekly weather reports for Mars.
4kADg TIL explorer Captain James Cook was fatally stabbed by a chieftain with a British-made dagger. Cook and his crew had earlier traded the dagger to the local Hawaiians.
m1kLo TIL that after the radio station KARW held a large Beatles bonfire to protest John Lennon's "We're more popular than Jesus" comment, only for a lightning bolt to strike its transmission tower the following day and send the station temporarily off-air.
RbE9 TIL That the side-blotched lizard uses a ‘rock-paper-scissors’ mating mechanism, with Orange throated males beating blue, blue throated beating yellow throated, and yellow beating orange.
GRR7 TIL Billy Joe Armstrong came out as bisexual in 1995 saying that all people were born bisexual and just caused to change by social pressures.