Quote:
Originally Posted by Pyrotex
Clocks measure their own internal changes of state.
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Yes, and so couldn't we just talk about reality, instead of clocks?
Clocks measure reality (their reality). Am I wrong to say that it is reality that slows down in a higher gravitational field? Atomic decay events (clocks) on our GPS satellites are speeded up (as are chemical reaction rates) due to the lower gravity.
p.s. [I think I recall this correctly] Overall, there's a net slowing of reality on the GPS satellites, due to the velocity--which outweighs the "speeding up of reality due to low gravity" --but that's another part of the equation.
