Experts Skeptical Of Lockheed Martin's 'Nuclear Fusion Breakthrough'

Ships, aircraft, and even entire cities may become fusion-powered a lot sooner than you might have imagined. That's the word from aerospace giant Lockheed Martin, which announced Wednesday that a research team in its Skunk Works division has found a way to make a nuclear fusion reactor that's 10 times smaller than previously thought possible. If they're right -- and some experts are skeptical -- the reactor would be small enough to fit inside a tractor-trailer truck and would bring dramatic chan...