What is Fermat's Theorem on Light?

Michael-H
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Hi, I'm Michael, a high schooler very passionate about physics. My favorite physics theorem is Fermat's Theorem on light. I'm also very into computer science and math. I run a physics blog. I look forward to discussions on physics forum!
 
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Hello and :welcome: !

I hope you will have fun and stay curious!

P.S.: You may link to your blog on your profile page. It is too spammy for us at other locations.
 

Thread 'Enthusiastic Physics Learner'

I am retired with a scientific background in Mathematics and Physics though I quit Academia after graduation. Recently, my interest has revived and I have started to review what I knew before and learn new stuff. My interests are in Physics and Mathematical Physics. I hope I can find answers to some of my questions here and perhaps in the future, I can also answers some questions. How have I arrived here? During the past two months, I have been doing some online research to find the best...
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