Second Z plutonium 'shot' safely tests materials for NNSA

The National Nuclear Security Administration (NNSA) today announced that researchers from Sandia and Los Alamos national laboratories have completed their second experiment in the past six months at Sandia’s Z machine ...

Hawaiʻi phones capture data in Tonga volcano blast

The explosion of the underwater volcano Hunga Tonga-Hunga-Haʻapai on January 15, released a blast "sound" wave that reverberated through Earth's atmosphere and was recorded around the world by monitoring stations—and smartphones. ...

Estimating the strength of selection for new COVID-19 variants

As the discovery of the new omicron variant illustrates, new COVID-19 variants will continue to regularly emerge. In an effort to make sense of these new variants, scientists at Los Alamos National Laboratory have developed ...

Nuclear weapon simulations show performance in molecular detail

U.S. researchers are perfecting simulations that show a nuclear weapon's performance in precise molecular detail, tools that are becoming critical for national defense because international treaties forbid the detonation ...

Changes ordered at Los Alamos over nuke waste leak

(AP)—Federal officials say four Los Alamos National Laboratory workers have been reassigned, and the Department of Energy is pulling nuclear waste cleanup operations from the contractor that runs the lab.

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