Free style notes, loosely based on black holic musings of Leonard Susskind about string theory. Surrounding material can be found on the index page.

Lecture

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Special Relativity

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Teh usual... most import part is that light moves in a frame where proper time 2=0 i.e. (cdt)2=dx2+dy2+dz2

General Relativity

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Teh usual... space varying in space, doh[tm]. And the same rule ds2=0 for light.

It's the invariance which is import not the size of c.

Black hole metric

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Notes

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