Скачать или смотреть Why Does Light REALLY Bend?

A lot of optical illusions can be explained by Fermat's principle of least time, but why does light obey it? On a fundamental level, it all comes down to quantum mechanics, specifically quantum optics, where we use the famous "Feynman path integral formulation" to explain light through photons.
________________________________
VIDEO ANNOTATIONS/CARDS

How Fast Is Light?
   • How Fast Is Light?  

Lagrangian Mechanics:
   • Lagrangian Mechanics: How powerful is it?  

You Don't Know How Mirrors Work:
   • You Don't Know How Mirrors Work  
________________________________
SUPPORT THE SCIENCE ASYLUM

Patreon:
  / scienceasylum  

Advanced Theoretical Physics (Paperback):
http://www.lulu.com/shop/nick-lucid/a...

Advanced Theoretical Physics (eBook):
https://gumroad.com/l/ubSc

Merchandise:
https://www.scienceasylum.com
________________________________
HUGE THANK YOU TO THESE PATRONS

Warden of the Asylum:
YDT

Asylum Counselors:
Matthew O'Connor

Asylum Orderlies:
William Morton

Einsteinium Crazies:
Albert B. Cannon, LT MarshMan, Ken Davis, Wacky, Eoin O'Sullivan, Ilya Yashin

Plutonium Crazies:
Al Davis, Kevin MacLean, JKLMN Anderson

Platinum Crazies:
Kyle Bowles, Jon Adams, Mr. Orn Jonasar, Rick Dinning, Eugene Boone, Fletch, Felipe Cruz, Vittorio Monaco, Stephen Blinn, Mikayla Eckel Cifrese
________________________________
OTHER SOURCES

https://www.feynmanlectures.caltech.e...
https://www.feynmanlectures.caltech.e...
https://www.feynmanlectures.caltech.e...
http://www.vega.org.uk/video/subseries/8
https://www.physicsclassroom.com/Clas...
Optics by Hecht
https://www.engineeringtoolbox.com/re...
https://www.etymonline.com/word/refra...
________________________________
LINKS TO COMMENTS

   • Why aren't Mirrors White? Why isn't EVERYT...  
________________________________
IMAGE CREDITS

Black Hole Visualization:
https://www.nasa.gov/feature/goddard/...