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Currently Playing: Relativity 103d: Galilean Relativity - Euclidean Metric Tensor

Full relativity playlist: https://www.youtube.com/playlist?list=PLJHszsWbB6hqlw73QjgZcFh4DrkQLSCQa Powerpoint slide files: https://github.com/eigenchris/MathNotes/tree/master/Relativity Leave me a tip: https://ko-fi.com/eigenchris 0:00 Intro 1:03 Why the Pythagoras formula fails 3:58 Calculating vector length with dot product 9:45 The Metric Tensor 12:40 Metric is 2-covariant 18:33 Summary