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Mar
01
2008

Renewed hope for nuclear fusion

Magnetized Target Fusion
Magnetized Target FusionCourtesy Los Alamos fusion energy sciences
Nuclear fusion has been "just around the corner" for more than 50 years. Fusion reactions occur in the sun and in hydrogen bombs. Tremendous quantities of energy can result from the fusion of hydrogen atoms into helium.

VCs bet big money on fusion power futures

Wealthy investors in California are betting hundreds of millions of dollars that the difficulties of producing power with fusion may soon be solved. The CEO of Chrysalix Energy Venture Capital thinks that "Within five years, large companies will start to think about building fusion reactors." Chrysalix invested in General Fusion, a Canadian company that says it has found a way to hurdle many of the technical problems surrounding fusion.

The company's ultimate plan is to build small fusion reactors that can produce around 100 megawatts of power. The plants would cost around $50 million. That could allow the company to generate electricity at about 4 cents per kilowatt hour, making it competitive with conventional electricity.c/net News.com

Magnetized Target Fusion

Using a technique called Magnetized Target Fusion (MTF), a current within a plasma containing lithium creates a magnetic field which allows it to be squeezed . The resulting temperature spike breaks down

the lithium into helium and tritium. Tritium, an unstable form of hydrogen, is separated and then mixed with deuterium, another form of hydrogen. The two fuse and make helium, a reaction that releases energy that can be harvested.

For updates check this General Fusion Inc. wiki.