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Re: Relativity



<PHYS010@NMSUVM1.NMSU.EDU> wrote:
2. One must be careful with the question, "What does the observer SEE?"
What is seen is not what is "measured" in the usuall sense. The
relativity equations apply to measurements. An observer "sees" the
body as rotated. To make the distinction clearer one should read
about the question. I do not have any good references here but there
is a good article in Physics Today in 1959 or 1960 when the subject
first discussed.

A Web search via http://www.altavista.com/ for the phrase "Terrell
effect" turned up a few hits, including the following which supposedly
has some pictures (which I can't view directly using Lynx).

http://www.cs.monash.edu.au/~cbetts/relpics.html

--
Jon Bell <jtbell@presby.edu> Presbyterian College
Dept. of Physics and Computer Science Clinton, South Carolina USA
[for beginner's Usenet info, see http://web.presby.edu/~jtbell/usenet/ ]