On 12/25/2024 1:34 AM, Alan Grayson wrote:
*FWIW, SR preserves causality, so your claim about time order of
events not being preserved is incorrect. *
Causality requires that cause and effect events be time-like. Space-like
events have a time order that is relative to reference frames and so
cannot stand in a cause/effect relation.
Brent
*And I've seen the Einstein quote and it has no impact on my position
in these matters. Do you have a quote where he says that only
objective facts are preserved at each event in spacetime? And since
coordinate systems are arbitrary, as well as what values clocks are
sychronized to, what OBJECTIVE facts at events do you think are
preserved? There appear to be none. Finally, my argument that a
paradox exist is about as straight-forward as one can imagine, based
as it is solely on length contraction, yet you dismiss it out of hand,
for an ill-defined concept of limited objective local reality at
events in spacetime. IOW, you seem to have defined the paradox out of
existence by your claim that only local objective facts are preserved.
Based on your extensive reading on SR, does Einstein have anything to
say about the Lorentz Parking Paradox? Anything? IMO, unless _proven_
otherwise, it indicates a fatal flaw in SR. AG*
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