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PennyG t1_j3kfbh8 wrote

Reply to comment by OverJohn in If an object is placed at the end of of a VERY long bar that is connected to an axel, Could rotating the bar close to the axel make the object at the other move extremely fast (like light speed)? by Swade060504

Nice explanation. If an object (like a very long steel rod) could be infinitely rigid, you could communicate information faster than the speed of light, which is obviously not gonna happen.

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