Lawrence Livermore lab repeats fusion breakthrough – yep, still kinda works
Researchers at the Lawrence Livermore National Laboratory in California have repeated their breakthrough fusion experiment, which nominally produced more energy than it consumed.when it produced 3.15 megajoules of fusion energy as output, exceeding the 2.05 megajoules delivered by the 192 lasers that kickstarted the nuclear fusion reaction.
The lab's National Ignition Facility relies on laser fusion – as opposed to the magnetic confinement fusion approach used elsewhere – whereby 192 lasers focus on a cylindrical container or hohlraum. This 120mm x 6mm jar converts laser energy into x-rays which heat a tiny plasma capsule at its center. The capsule's high-density carbon walls are 80μm thick and houses the nuclear fuel, a mixture of hydrogen isotopes deuterium and tritium.
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