Uploaded January 2025 | Updated September 2026, 2 weeks ago

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Introduction to 4-vectors in Special Relativity, including their definition and key properties. The key example discussed in this video is the 4-vector for displacement/4-displacement.

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Pre-reqs: previous videos in this playlist - youtube.com/playlist?list=PLdgVBOaXkb9CkdpdSWT9oPDSvQ8BjjNTq
Lecture Notes: drive.google.com/file/d/1dtwGcVwTDs9AxNr8HOrUK96-8jCmzYma/view?usp=drive_link

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