In 2006, South Dakota began turning a mine that produced 41 million ounces of gold into America’s deepest underground lab; today scientists work 4,850 feet down searching for dark matter and neutrinos
Solar Neutrino Experiment 1 used a tank filled with chlorine-based perchloroethylene to detect neutrinos from the Sun. A gold mine in South Dakota once produced millions of ounces of precious metal. Today, the same site is being used to study some of the biggest mysteries in the universe.The Homestake Gold Mine in Lead, South Dakota,…