I never heard of Fermat’s principle but have always been fascinated by refraction. I like it.
“Time minimizing curve” – ahh, that is a good set of words.
I do. I’ll be looking for this book as well. Dr. Strogatz is very easy to listen to and I feel as if I understand him immediately while also being continually surprised at what he’s saying. Good combination and rare.
Oh wow, going through the comments, somebody mentioned “the mechanical universe”., which aired in the mid 1980s on PBS.
Wow… I forgot how hooked I was on this stuff as a kid.
I can’t believe I saw all of these as a kid but I think I saw all of these as a kid.
The Mechanical Universe was an amazing production by CalTech in 1985 that went over, I dunno, EVERYTHING in Physics over a course of 52 episodes.
It may be 35 years old now but I guarantee it’s all still correct.
Oh, except for the glass thing, which is in Episode 17. I randomly skipped to it going through the play list.