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TIL Mercedes-Benz prepares your ears for noise from crash by playing pink noise just before crash

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VBwl4 TIL That George Jetson only works 3 hours a day and 3 days a week.
wLGrW TIL The German military manual states that a military order is not binding if it is not "of any use for service," or cannot reasonably be executed. Soldiers must not obey unconditionally, the government wrote in 2007, but carry out "an obedience which is thinking.".
GYG7N TIL, the Pacific Northwest is woefully unprepared for an earthquake and subsequent tsunami that would follow a quake in the Cascadia Subduction zone. The average time elapsed between quakes is 243 years. We are at currently at year 315 since the last quake. Everything west of I5 will be gone.
j7mR TIL That the Chinese Han empire was aware of the Roman empire and they sent envoys to each-other.
Wk0RA TIL the first recorded murder occurred 430,000 years ago. Two small holes in the skull of the remains indicated up-close blunt force trauma.