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"Welcome to my ~/bin" class materials now online

by Dominus (Parson)
on Dec 31, 2007 at 17:46 UTC ( #659779=perlnews: print w/ replies, xml ) Need Help??

I just posted the complete materials for this class on my web site. I think I first wrote it for the 2004 Perl Conference.

Enjoy, and happy new year.

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Welcome to my ~/bin

Comment on "Welcome to my ~/bin" class materials now online
OT : Re: "Welcome to my ~/bin" class materials now online
by zentara (Archbishop) on Dec 31, 2007 at 19:47 UTC
    Your Freshman electromagnetism question reminded me of a "mind opening" thought experiment where you envision a single electron floating in space. If you are stationary with respect to it, you see ONLY it's electric field. If you move with respect to it, you see a magnetic field. An oscillating motion results in EM radiation(photons). If you get into it deeper

    4d-Maxwell

    it turns out that electromagnitism is actually some sort of 4-dimensional stuff, and we see either electric field or magnetic field depending on our spatial relationship. Feynman had some great 4 dimensional solution which showed all this by emcompassing all of Maxwell's equations into a simple 4-d operator equation.

    Whenever I want to "space out" until I drool, I meditate on the 4-dimensional nature of EM.


    I'm not really a human, but I play one on earth. Cogito ergo sum a bum

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