Author Archives: bernander

General Relativity part 1: What is curvature?

In six Level 1 videos we visualize General Relativity with a substratum (“fabric”) that uses the same math as GR, the math of curved surfaces. Here in part 1 of 6: What is curvature? In 2-d, we show curvature as either … Continue reading

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Special Relativity

The John Bell interpretation is a bottom-up viewpoint: We start with the three phenomena – length contraction, time dilation, clock desynchronization – and then derive that c is measured to be constant, and that you cannot tell which frame is at … Continue reading

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