Researchers at the Lawrence Livermore National Laboratory are about two-thirds of the way to producing excess power with a nuclear fusion reactor. If you didn’t just leap out of your seat, that’s okay. The science community’s been teasing fusion for decades and, like a lot of technologies, it’s always about another decade away. But here’s the thing: this time really is different. There are numerous fusion projects closing in on “ignition,” the point where a reactor produces more power than it takes to run. We might really be a decade away from a useful fusion reactor. But, unfortunately, that would…

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