You don't need as much heat and pressure to start with for a cold fusion reaction. It's the reaction itself that creates heat.

Look whos back. And seems useful.

I came up with something similar, my old Platinum idea:

powdertoy.co.uk/Discussions/Thread/View.html?Thread=16968

Heat and pressure isn't the only use for fusion, The fact that you can change hydrogen to other elements is very useful.

Michael238:

@JMBuilder (View Post)

Perhaps have DEUT split into HYGN and NEUT? After all, deuterium is hydrogen with an extra neutron. 

DEUT ingame is deuterium oxide (aka heavy water), not pure deuterium. It should split into HYGN (x2, 1 is released and the other is absorbed), OXYG, and NEUT.

Currently, for stable hyrogen bombs, I use a layer of TNT and PLUT (I could use BCLN, but that requires an empty space and PSCN), surrounding DEUT and HYGN. The TNT compresses the PLUT, releasing NEUT which detonates the DEUT, igniting the HYGN fusion reaction. Only 70% of the PLUT is converted to URAN; this generates a lot of fallout. Palladium would allow me to remove the PLUT and make the bomb much smaller.