Five years ago, Lockheed Martin (NYSE: LMT) promised to change the world forever. In an announcement of blockbuster importance but laconic terseness, the world's biggest pure-play defense company announced that it is working on a solution to the problem of fusion nuclear energy -- aka "cold fusion."

Within 10 years, said Lockheed, it would invent a small nuclear fusion engine capable of powering a large oceangoing vessel or a small town with infinite amounts of clean nuclear power. Ten more years would see Lockheed commercialize free-standing cold fusion reactors to provide "safe," nuclear-"proliferation free," greenhouse-gas-emission-free "clean power for the world." 

Goodbye energy crises. Goodbye global warming. Hello cheap, unlimited nuclear power for everyone.

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