[HN Gopher] An intuitive guide to Maxwell's equations (2020)
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       An intuitive guide to Maxwell's equations (2020)
        
       Author : gballan
       Score  : 33 points
       Date   : 2024-06-02 20:54 UTC (2 hours ago)
        
 (HTM) web link (photonlines.substack.com)
 (TXT) w3m dump (photonlines.substack.com)
        
       | olooney wrote:
       | I would have killed for content like this back when I was getting
       | my Physics degree. The diagrams are so beautiful and go straight
       | to the heart of the key vector calculus concepts needed for E&M.
       | 
       | I remember struggling through Jackson[1] as a rite of passage,
       | but there's no reason future generations should have to suffer as
       | we did. This is what the web was meant to be.
       | 
       | [1]:
       | https://en.wikipedia.org/wiki/Classical_Electrodynamics_(boo...
        
         | lupire wrote:
         | It really is a shame that in the 20th Century, the "best" math
         | and science books were judged not for their educational power,
         | but for how difficult and impressive they were to fellow
         | professionals. It seems as though the professors were afraid
         | that they'd lose their lecturer jobs if the books were too
         | educational on their own.
        
         | photon_lines wrote:
         | Thanks a lot man - I'm really happy to have this kind of
         | feedback. The reason I wrote this is because I found most of
         | the modern explanations lacking in intuition behind the
         | equations - along with also not explaining what the actual
         | equations meant. If you found this useful please share and
         | subscribe - I'm also trying to provide intuitive guides to
         | other concepts (Schrodinger's equation, Black Holes, Quantum
         | Mechanics, other complex topics) and eventually I'm hoping to
         | write books on some of these topics which present math and
         | physics in a much more clear and intuitive manner. Math
         | shouldn't be hard to grasp. At the very bottom level it's very
         | simple but presenting it in a clear and intuitive manner I will
         | admit is very hard. Also full credit to a lot of the material
         | as well goes to Grant Sanderson (3Blue1Brown) and most of the
         | diagrams there were generated using Vexlio which I also highly
         | promote: https://vexlio.com/
        
       | xeonmc wrote:
       | More on relativistic equivalence between electric and magnetic
       | field:
       | 
       | https://physics.stackexchange.com/questions/489291/how-did-e...
        
       | humanfromearth9 wrote:
       | This is incredibly well explained. Everything is simple, yet it
       | is packed with so much details that memorising this and
       | understanding this cannot be done without effort and focus. This
       | whole stuff is fascinating when explained in such a way that it
       | makes sense. I fought with this during my 2nd year of engineering
       | studies, but did certainly not understand half of it at the time.
       | With that explanation, I would have enjoyed studying the subject
       | so much more. I guess I was not smart enough to understand my
       | textbook and all the consequences of the formulas, so that I was
       | unable to be fascinated by the subject.
        
       | sesm wrote:
       | Is 'curl E' a standard notation nowadays? When I was at uni we
       | used 'rot E'.
        
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       (page generated 2024-06-02 23:00 UTC)