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A tiny pellet of deuterium and tritium released more energy than it absorbed from the National Ignition Facility’s bank of 192 lasers.   Lawrence Livermore National Laboratory (LLNL) announced today that it has produced a fusion reaction in the laboratory that yielded more energy than was absorbed by the fuel to initiate it. Zapping a BB-size capsule of fusion fuel with UV light from 192 lasers at the lab’s $3.5 billion National Ignition Facility (NIF), scientists say they sparked fusion reactions that released 1.3 megajoules of energy, about five times the 250 kilojoules that were absorbed by the capsule. That...