Re: Wormholes
Thu, 4 Dec 1997 19:00:10 +0000

> John K Clark wrote:
> > [...] After a few days of
> > work he found that wormholes could be stabilized and made to do useful things
> > if you had something that pushed the wormholes walls apart gravitationally,
> > something with a negative energy density from light's frame of reference,
> > something like antimass. Thorn called this stuff "Exotic Material".
> If exotic material [there's got to be a better name for it...] has enough negative gravitation to keep
> a wormhole open, it sounds like it would be very useful in a propulsion system for interstellar
> spacecraft. But then what happens to conservation of energy? Kinetic energy is created out of nothing
> more than two particles in close proximity?

I'm not sure if 'exotic' means only negative matter, or includes
other things as well, but...

Energy is conserved because half of the kinetic energy created is
negative, and so it balances out.