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Peter4075

Bumbling around in the shallows after studying physics and maths at school many years ago.

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Top posts (73) All Questions Answers | Votes Newest

32 Sun's power density compared to a compost heap Nov 26 '17
28 Why do objects follow geodesics in spacetime? Apr 24 '12
23 Don't understand the integral over the square of the Dirac delta function Dec 30 '12
15 Books for general relativity Jan 31 '12
9 Hubble time, the age of the Universe and expansion rate Apr 7 '12
9 Why doesn't dark energy vary with time? Mar 30 '12
7 Nature of spacetime 4-vector and tangent space? Jun 17 '11
7 Trying to understand the weak gravitational field metric (1) Sep 10 '11
6 Small change in theta - polar coordinates Jun 20 '11
6 Trying to understand Laplace's equation Feb 21 '12
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