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TIL it’s illegal to run out of fuel on the autobahn due to it being viewed as an avoidable occurrence.

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X17X TIL Firefighters use water to fight fire becasue it expands to steam and displaces oxygen, not because it cools the fire down
pYBA TIL psychologist George M. Stratton in the 1890’s wore glasses that made him see everything upside down and after 5 days his brain adapted and he was seeing things as normal.
QNX19 TIL about the existence of H. floresiensis, an extinct species of proto-humans whose adults had heights of around 1m and weights of around 25kg, inhabiting parts of Indonesia.
dD778 TIL the sound a whip makes when you crack it is caused by a sonic boom created when the tip of a whip moves faster than the speed of sound. The whip was also the first man made object to break the sound barrier.
4XQw TIL That E=mc^2 is actually technically wrong, and that the real equation is E^2=m^2c^4 + P^2c^2 and by trying to find the energy, you need to squareroot, and it shows the possible existence of anti-particles.