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I am standing at the end of a steel beam that is one light year long, and it has a wheel on each side. As I turn the wheel on my side, does the wheel on the other side instantly turn at the same time? Or does it take time for the "signal" to travel down the beam?

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I am standing at the end of a steel beam that is one light year long, and it has a wheel on each side. As I turn the wheel on my side, does the wheel on the other side instantly turn at the same time? Or does it take time for the "signal" to travel down the beam?	1