bhobba's latest activity
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bhobba reacted to FactChecker's post in the thread Graduate What Exactly Is The Physical Content Of Maxwell's Equations? with
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IMHO, as a casual amateur, geometric algebra (and geometric calculus) goes a long way to demystifying the subject. Unfortunately, it... -
bhobba replied to the thread Graduate Quantum measurement problem (ie double slit experiment) question.Interestingly, Sean Carroll thinks even that is a fiction that physicists tell themselves. He thinks it emerges from something deeper...
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bhobba reacted to robphy's post in the thread History Einstein's visit to Manchester in 1921 with
Informative.
links to this Facebook post by the University of Manchester featuring a video of their re-enactment in English (navigate to 3m45s)... -
bhobba reacted to Astronuc's post in the thread History Einstein's visit to Manchester in 1921 with Informative.
A little bit of trivia, "The Langworthy Professorship, an endowed chair at the university's Department of Physics and Astronomy, has...
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bhobba reacted to pinball1970's post in the thread History Einstein's visit to Manchester in 1921 with Like.
I found out a little bit about Einstein recently regarding his trip to Manchester June 9th 1921. I was surprised to find out that he...
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bhobba reacted to weirdoguy's post in the thread Graduate What Exactly Is The Physical Content Of Maxwell's Equations? with Like.
I have a problem with coming up with something at hand, I learned most of these things from different papers and from people I worked...
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bhobba reacted to Hornbein's post in the thread Graduate What Exactly Is The Physical Content Of Maxwell's Equations? with Like.
A nice thing about geometric algebra is that there is no such thing as "the right hand rule." The sign comes about naturally. An...
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bhobba reacted to robphy's post in the thread Graduate What Exactly Is The Physical Content Of Maxwell's Equations? with Like.
In my websearch for conventions in Geometric Algebra, I stumbled upon two vocal critics of GA (listed below). Since I am just learning...
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bhobba replied to the thread Graduate What Exactly Is The Physical Content Of Maxwell's Equations?.A really great book that integrates it with multivariable calculus and linear algebra is...
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bhobba replied to the thread Graduate What Exactly Is The Physical Content Of Maxwell's Equations?.I only know of Wigner's version from a comment in Ohanian's Gravitation and Space-Time. It was actually my first serious book on GR...
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bhobba reacted to weirdoguy's post in the thread Graduate What Exactly Is The Physical Content Of Maxwell's Equations? with Like.
May or may not. Differential geometry is my specialisation within mathematical physics, and when I tried to study geometric algebra it...
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bhobba replied to the thread Graduate What Exactly Is The Physical Content Of Maxwell's Equations?.See: https://journals.aps.org/pr/abstract/10.1103/PhysRev.182.1397 It's been on my to-do list for ages to get down to my old uni...
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bhobba reacted to Sagittarius A-Star's post in the thread Graduate What Exactly Is The Physical Content Of Maxwell's Equations? with Like.
What also may help for understanding the EM field is to use Geometric Algebra, applied to 4D-spacetime. The wedge product ##\wedge##...
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bhobba reacted to PeterDonis's post in the thread Graduate What Exactly Is The Physical Content Of Maxwell's Equations? with
Love.
Have you read Chapters 3 and 4 of Misner, Thorne, & Wheeler? That's where I first encountered the material that's briefly summarized in... -
When discussing isometric embeddings, there is a little more to it. The metric of the submanifold is taken to be induced from the...