POV-Ray : Newsgroups : povray.off-topic : 4D : Re: 4D Server Time
5 Sep 2024 07:26:46 EDT (-0400)
  Re: 4D  
From: clipka
Date: 21 Oct 2009 09:23:03
Message: <4adf0b37$1@news.povray.org>
Kevin Wampler schrieb:

> It is worth nothing, however, that the time dimension is *not* identical 
> to the space dimensions (one would hope not!) and distances are measured 
> differently in time than in space.

Well, AFAIK there's actually no fundamental reason to apply different 
"measuring tapes" to time and space: The constant vacuum speed of light 
can serve as a ruler for both, with the distance of a light second 
equating a second.

It just happens that it's still more practical to use meters for 
space-like dimensions and seconds for time-like dimensions.


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