[SGVLUG] Calling the brightest of cal tech and other nerds!

[Michael Rubel]

I wrote:
> There is a Caltech steam tunnel which runs under California Blvd., just west 
> of Wilson.  In addition to steam, it carries electrical power to the campus 
> from the physical plant building, which is near the gym.  I've seen the 
> conduits myself.  If I understand correctly, they have a generating capacity 
> of about 15 MW.  Not sure how much of that runs to campus, but anything close 
> to 15 MW would create quite a magnetic field.  :)

...although, come to think of it, the net current should be zero if they 
form a circuit, hence no magnetic field... perhaps the leaks to ground on 
campus are significant.

-mike