[FRIAM] Watch "The Most Important Idea in Physics: The Principle of Least Action - Ask a Spaceman!" on YouTube

[Roger Critchlow]

For more on the wondrous Emmy Noether, listen to
https://www.bbc.co.uk/programmes/m00025bw and find out how she solved
Einstein's problem with the conservation of energy while he was formulating
general relativity.

-- rec --
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