[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: Nuclear Weapons Material



> > > the atomic weapon that sets off the fusion reaction.)
> > 
> > I don't understand your point.  The earliest devices used a pie shape 
> > with a wedge cut out.  The actual geometry is rather unimportant to 
> > getting a fission reaction - but it *is* important if you want to 
> > maximize your yield.
> > -- 
> 
> 	Wrong. If you are using a uranium fuelled bomb, then you are
> right. As long as you thump together two barely sub-critical masses, it
> will go boom. However, if you try this with plutonium, it will fizzle.
> In the time that it takes for a standard gun type triggering mechanism
> to operate, the plutonium will become critical, and then release most of
> it's energy harmlessly, instead of going super-critical. This is the
> reason for using fast-triggering bomb geometries.

Wrong.  If you will notice, I said "the earliest devices".  They didn't 
use plutonium for nuclear devices until much later.
-- 
Ed Carp, N7EKG    			[email protected], [email protected]
Finger [email protected] for PGP 2.5 public key		[email protected]
If you want magic, let go of your armor.  Magic is so much stronger than
steel!        -- Richard Bach, "The Bridge Across Forever"