› added 1 year ago

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TIL that the moon has moonquakes that are caused by gravitational pull from both the Earth and the Sun.

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via reddit.com

pROG TIL that instead of celebrating April Fools, the French celebrate April Fish (Poisson d'Avril) where they sneak up behind people and tape paper fish to their backs.
E1wEx TIL ultrasonic blades use sound waves to cleanly and precisely cut difficult-to-process food, like cheese. In particular, the technique stops matter from sticking to the blade, reducing cleaning time.
AmOg TIL Gates McFadden, who played Dr Crusher in Star Trek: The Next Generation, choreographed the ballroom dance scene in the movie Labyrinth
oBRxW TIL: In the middle ages a Bishop Named Gundulf built two fortresses. The Tower of London(white tower), The tower of Rochester(dark tower). J.R.R. went on to use these as inspiration for his characters and locations.
8eaYa TIL that Goodyear created colored, light-up tires in the 1960s. However, it never made it into mass-production, one reason being that other drivers drove too dangerously whilst trying to look at the tires.