Theoretical physicist Michio Kaku explains why a recent nuclear fusion test at a national lab was a 'giant step toward the holy grail of energy research.'
"A fusion reactor is carbon neutral, it does not create carbon dioxide, it does not create copious quantities of nuclear waste that you find in fission plants with uranium, it does not melt down," said the author of "The God Equation: The Quest for a Theory of Everything." "The fuel is sea water, hydrogen from seawater could be the basic fuel.
Kaku explained some of the drawbacks to nuclear fusion and why it's not currently an easily accessible source of energy. "It turns out that when you heat hydrogen to tens of millions of degrees Fahrenheit, the temperature of the sun, things become unstable, and that's why this reaction took place over a hundred trillionth of a second, just a snap of the finger, so in other words, we want to have a continuous stream of energy, not bursts of energy, like we found here," Kaku said.
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