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

Full relativity playlist:    • Relativity by eigenchris   Powerpoint slide files: https://github.com/eigenchris/MathNot... 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