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Richard Feynman - The.Character of Physical Law - Part 1 The Law of Gravitation (full version)
Tinkerin' Thinkers
The first of Richard Feynman's 1964 Cornell Messenger Lectures, The Character of Physical Law, focusing on the law of gravitation. Feynman builds up from planetary motion to the nature of physical laws.
HN people recommend it as a masterclass in explaining physics clearly without condescension, accessible without formal training.
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