Originally Posted By: Bill S.
Perhaps only a hitch-hiker could raise such a naïve point; but relativity tells us that every F of R is as valid as every other, yet you can, with apparent justification, refer to “reality” in one frame as being “an illusion” relative to another. Would that not imply that because no frame can claim to represent universal reality, any observation, in any frame, must be an illusion?

I quite like that idea. smile

Relativity enshrines that in it's tenet there is no global frame usually referred to as the zero frame but it has a number of names

https://en.wikipedia.org/wiki/Center-of-momentum_frame

In that language relativity says there is no Center-of-momentum frame for the universe.


Edited by Orac (09/07/15 02:50 AM)
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I believe in "Evil, Bad, Ungodly fantasy science and maths", so I am undoubtedly wrong to you.