From Mining.com, Nov. 2, 2020: Three batches of 99.99% pure copper plates mined in Finland, rolled into plates in Germany, shipped across land and sea to Fermilab, and finally rushed into storage 100 meters underground are being used in an experiment to search for dark matter.
When he was growing up, Jonathan LeyVa thought he’d follow his passion for race cars and pick a profession in automotive engineering. Instead he’s working on what will become one of the world’s most sensitive searches for dark matter, the invisible substance that accounts for more than 85% of the mass of the universe.
From APS News, July 2018: Scientists are looking down a number of avenues for dark matter. Fermilab’s Daniel Bowring and Dan Hooper discuss the search, and members of SuperCDMS, ADMX and other collaborations are on the hunt.