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What makes the principle of least action so important? Who came up with it? Is it all just a bunch of math or does it actually mean something? I discuss these questions and more in today’s Ask a Spaceman!

Follow all the show updates at http://www.askaspaceman.com, and help support the show at   / pmsutter  !

Keep those questions about space, science, astronomy, astrophysics, and cosmology coming to #AskASpaceman for COMPLETE KNOWLEDGE OF TIME AND SPACE! Music by Jason Grady and Nick Bain.

00:24 - Lagrangian vs. Newtonian Mechanics
05:49 - The Stationary Action
10:30 - Generating the Laws of Motion
14:49 - Feynman’s Path Integral Approach