Breakthrough came after experiment with 192 high-energy lasers, say US energy officials – follow all the latest news
Marv Adams, deputy administrator for defense programs at the National Nuclear Security Administration, gave a detailed recap of what happened in the successful experiment.Inside that was a small, spherical capsule about half the diameter of a BB. One hundred and ninety two laser beams entered from the two ends of the cylinder and struck the inner wall.
This had all happened before, 100 times before. But last week, for the first time, they designed this experiment so that the fusion fuel stayed hot enough, dense enough and round enough for long enough that it ignited, and it produced more energies than the lasers had deposited– about two mega joules in about three mega joules out, a gain of 1.5.
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