Re: Simultaneity of Relativit

mpc755 wrote:
On Mar 17, 12:30 pm, Sam Wormley <sworml...@xxxxxxxxx> wrote:
mpc755 wrote:

Wikipedia:
'In relativity, proper time is time measured by a single clock between
events that occur at the same place as the clock."
I'm talking about the clocks being meaningless.
If the two observers start an event at the same moment and end the
event at the same moment, then the same amount of time has passed for
both observers, regardless of what their clocks say.
And how do YOU determine that the "same amount of time has passed"?

Because they started their clocks simultaneously and stopped their
clocks simultaneously.

Starting and stopping clocks simultaneously... um... must take
relativity into account.


All that matters is the length of time between two moments.

And since their start event was simultaneous and their end event was
simultaneous, the length of time is the same for both observers.

Um, you need to go back to the literature of more than a hundred
years ago and start "catching up".

.

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