c to the power of 4 and why is it needed?

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Offline jeffreyH

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c to the power of 4 and why is it needed?
« on: 25/01/2014 08:24:54 »
A while back I was asking if any equations used c^4. Well I found one.

http://en.wikipedia.org/wiki/Einstein_field_equations

I hadn't realized just where it would be used. I was going to ask why it is used here but under the circumstances I really don't expect an answer.

BTW Yes I do know that that part resolves to a constant.
Fixation on the Einstein papers is a good definition of OCD.