Uploaded November 2024 | Updated September 2026, 2 weeks ago

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An overview of the spacetime interval, its invariance, and how the nature of the spacetime interval between two events can be used to infer whether those events can be causally related.

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Pre-reqs: Previous videos in this playlist - youtube.com/playlist?list=PLdgVBOaXkb9CkdpdSWT9oPDSvQ8BjjNTq
Lecture Notes: drive.google.com/file/d/1daCN2msQFGm1cMBstZv2tg69agZ4-zT5/view?usp=drive_link

Special thanks to my Patrons:
Matthew
Patapom
Eugene Bulkin
Andy Johnston
Lina Stritt
Patrick Gibson