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DrGreg, Thankyou for your kind assitance to me and Starthaus. I couldn't help but think these were rather generally available in PF and elsewhere such as (http://en.wikipedia.org/wiki/Length_contraction). And a look at the Starthaus posts/blogs suggest that full use of these has already been made.Faradave, what is being asked for here are equations that expressl'andt'in terms oflandt...

The more basic equations I offered, while not transforms in themselves, contain all the elements necessary to derive them (with a little help from Pythagoras). Alas, like my pseudonamesake, my math (and Latex) skills are not up to par and I am left at the mercy of intuition and the benevolence of aquaintences such as yourself.

Also like Faraday, I love to attend lectures, particularly those offered by The Teaching Company. One entitled, "Einstein's Relativity and the Quantum Revolution" by Dr. Richard Wolfson, offered a form which I like:

[tex]t'=t\sqrt{1-v^{2}}[/tex]

and the same for length, where v is the velocity of the moving frame expressed as a fraction of lightspeed.

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