The Promise of Fusion Power – update

Wouldn't it be great to have abundant, clean power that doesn't contribute to climate change? That is the promise of fusion power. Practical fusion power remains elusive, but advances in creating self-sustaining fusion reactions and harnessing its power continue to occur. In the early morning hours of Aug.13, Lawrence Livermore's National Ignition Facility (NIF) focused all 192 of its ultra-powerful laser beams on a tiny deuterium-tritium filled capsule. In the nanoseconds that followed, the capsule imploded and released a neutron yield of nearly 3x1015, or approximately 8,000 joules of neutron energy -- approximately three times NIF's previous neutron yield record for cryogenic implosions. The primary mission of NIF is to provide experimental insight and data for the National Nuclear Security Administration's science-based stockpile stewardship program. The experiment attained conditions not observed since the days of underground nuclear weapons testing and represents an important milestone in the continuing demonstration that the stockpile can be kept safe, secure and reliable without a return to testing.
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