10 Future Space Transportation Technologies...

At New Scientist, Michael Marshall describes t...  ...wormholes, but real science. One example is the ion thruster , which may be just a few years away from actualit...  ...exhausts at high speeds, thus generating thrust. Ion thrusters use the same principle, but instead of blasting o...  ...out a beam of elect...

http://www.neatorama.com/2009/12/22/10-future-space-transportation-technologies/