Uploaded July 2010 | Updated September 2026, 2 weeks ago

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Galileo's investigation of uniformly accelerated motion due to gravity could, in many ways, be considered the birth of modern physics.
Caltech's The Mechanical Universe episode on the law of falling bodies:
youtu.be/livG1fp-q8s
Feather & ball experiment: youtube.com/watch?v=4z8g8OSOMzY