[ExI] Anti-deterrence weapons

[Stathis Papaioannou]

2009/6/28 John K Clark <jonkc at bellsouth.net>:

> The critical mass of pure U235 is 15 kilograms, for Pu239 it is 4.4
> kilograms; both could be reduced considerably by encasing them in a good
> neutron reflector like Beryllium and or by using explosives to compress them
> to greater than normal density.

Is it possible to use explosives to compress metals to greater than
normal density? I thought for that you would need something like the
pressure in the atmosphere of a gas giant.


-- 
Stathis Papaioannou