In article , Bruce wrote:
The Natural Philosopher wrote:

I keep wondering if rather than trying to contain plasma over long
periods, they shouldn't sort of do an internal fusion engine, where a
ceramic piston compresses deuterium, and a laser 'ignites it' and
drives a crankshaft :-)

Would that be the power source for the Ford Fusion?

Closer to the Orion:
http://en.wikipedia.org/wiki/Project...ear_propulsion)