World's Largest Neutrino Detector Completed at South Pole

Thousands of meters below the ice near the South Pole lies one of the most unusual observatories ever constructed. The instrument's nervous system comprises 86 strands of light detectors, stretching down into the ice sheet like oversize strings of pearls. Each strand features 60 basketball-size detectors, spanning the depths from 1,450 to 2,450 meters below the surface. And the body of the observatory is the ice itself, an abundant medium with an astonishing natural clarity. [More]

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