veritasium 1 day ago
derek muller #Science

Veritasium | This Single Rule Underpins All of Physics

A massive thank you to Prof. Steven Strogatz for his expertise and enthusiasm.

00:00 - One rule that replaces all of physics

00:51 - The problem of fastest descent

05:09 - Fermat's principle

07:17 - Bernoulli's solution

10:38 - Maupertuis' principle

12:28 - Maupertuis attacked and ridiculed

14:01 - Euler & Lagrange to the rescue

17:22 - The general approach to solving these problems

19:32 - Writing the principle into its modern form

23:17 - Why the principle works

27:08 - Another way to do mechanics

30:19 - A “spooky” breakthrough

Derek
Veritasium