[extropy-chat] weird al takes on rap

Eugen Leitl eugen at leitl.org
Tue Sep 26 07:04:54 UTC 2006

On Mon, Sep 25, 2006 at 09:55:59PM -0700, spike wrote:
>  http://www.youtube.com/watch?v=-xEzGIuY7kw
> Fellow physics geeksters, what (if anything) is that equation before which
> Weird Al is dancing?  It looks kinda familiar, but several things about it
> suggest it is just a gag.  I don't recall del squared in any of the famous
> equations, and if h is Planck's constant, does that thing show up squared in

It's just a Schroedinger equation for the 3-dimensional case. The
h is missing a bar, the mu is supposed to be an m. Which Hamiltonian
is supposed to contain e^2/r beats me, however. Don't have time to look it up.
But, yeah, it's not nonsense at all.

> any of the big theories?  The del suggests a quantum energy density (as a
> function of radius?) or a wave equation but then what is the mu?  Also there
> are two negative signs inside the square brackets (odd but not impossible)
> and psi(r) is on both sides of the equation.  Help me Obi Wan Scerir, you
> are my only hope.  
> Too bad Weird Al didn't put up one or all of Maxwell's equations.  {8^D

Eugen* Leitl <a href="http://leitl.org">leitl</a> http://leitl.org
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