Image: Ray Davis swim in the 300,000-gallon tank of water a mile underground in the Homestake mine

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Nearly a mile underground, Ray Davis takes a swim in the 300,000-gallon tank of water that surrounded the central chlorine tank in the Homestake mine. The water reduced background radiation, which could interfere with his counting of neutrinos.



Source: http://www.pbs.org/wgbh/nova/neutrino/danc-05.html

Views: 2,298
Added: 16 years ago.
Topic: Particle Physics

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