This is a fascinating example of the beautiful mathematics buried in simple physical theories.
https://www.youtube.com/watch?v=HEfHFsfGXjs&t=16s
If you also watch the "explainer" video, you'll see an explanation of how the algebraic expressions you probably already know can be transformed into geometrical objects.
https://www.youtube.com/watch?v=jsYwFizhncE
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