Posts

SchwarzschildGeometry4

The Schwarzschild Geometry: Part 4

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  In the last article, we looked at various counterintuitive…
SchwarzschildGeometry3

The Schwarzschild Geometry: Part 3

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  When we left off in part 2, we were looking at…
SchwarzschildGeometry2

The Schwarzschild Geometry: Part 2

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  At the end of part 1, we looked at the form the…
SchwarzschildGeometry1

The Schwarzschild Geometry: Part 1

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  Not long after Einstein published his Field Equation,…
relativitygauge

General Relativity as a Gauge Theory

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The fundamental interactions of the Standard Model are described…
Precessionrelaitivity

Precession in Special and General Relativity

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The Absolute Derivative In relativity we typically deal with…
Newton-Cartan-Theory

The Revival of Newton-Cartan Theory

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It's a calculation which you can find in any textbook on General…
universeexpand

A Brief on the Expansion of the Universe

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The "ordinary Big Bang and expansion" (no inflation, no dark…
observableuniverse

Why is the Radius of the Observable Universe in Light-years Greater than Its Age?

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The radius of the observable universe is about 46 billion light…
universespinning

Can We Tell Whether the Universe Is Rotating?

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If you believe wholeheartedly in Mach's principle, then there…