Originally Posted by The Omega Man
The piston never stops moving. It instantaneously changes direction.
Instantaneous velocity and motion are not the same thing.
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Was this actually said? I couldn't believe it, so I searched the entire thread and I guess all this poster's posts were erased?
I thought the argument was about quantum effects or frames of reference, in which case at least it would be annoying, but not necessarily wrong. But here it was just a simple case of a guy not knowing what he's talking about.
As for the quantum effects and frames of references...there's certain reasonable assumptions that must be made when answering a question like this. The assumptions will vary based on the wording and the context, but in this instance, throwing in quantum effects, relativistic effects, and mixing it with the expansion of the universe is NOT reasonable, and will simply defeat the purpose of the question. That, or it's just a case of arm-waving by someone desparate for attention.
If we were to give any thought to these arguments, it would lead to the possiblility that when I got into my accident, someone could testify against me that it was MY fault because I was going 60000mph...clearly over the speed limit.
