Re: Superconducting motors become black holes???

From: Eugen Leitl (eugen@leitl.org)
Date: Sun Dec 08 2002 - 13:40:33 MST


On Sun, 8 Dec 2002, Robert J. Bradbury wrote:

> > There is also apparently a theorem somewhere (I think it also easily
> > follows from the third law of black hole thermodynamics) that says you
> > cannot break a black hole by spinning it up with external fields. A
> > pity.

But I seem to remember that solutions which are ring black holes are
possible. If one can spin up one to become a ring, then one can surely
keep this up until the ring is very thin? Or is there going to be some
instabilities, like event horizont turbulence?
 
> ROTFL. Only from the mind of Anders.
>
> It should be the goal of every adventuresome extropian to live in
> an Anders Sandberg(tm) universe. They are likely to be far more
> interesting (as in "may you live in interesting times") than the
> vanilla universe(s) we are stuck with now-a-days.



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