It can look dumb, but I always had this question as a kid, what physical principles would prevent this?

  • Flyberius [comrade/them]@hexbear.net
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    13 hours ago

    Because the stick isn’t infinitely rigid. If you push it at one end the other end doesn’t immediately start moving. The time it takes, I think, is equal to the speed of sound inside that material. Ultimately the forces that bind atoms together and allow them to interact are limited by the speed of light.