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Currently Playing: Relativity 103b: Galilean Relativity - Spacetime Separation (Interval) Vector and Invariance

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 Spacetime Separation Vector 2:05 Einstein's Spacetime basis vectors 5:16 Car's Spacetime basis vectors 11:37 Reference Frame = Spacetime Basis 13:26 Summary