Why would you possibly need a refrigerator that holds the same volume as five Olympic-size swimming pools? To contain over 15,000 tons of liquid argon that must be kept at minus 303 degrees Fahrenheit, of course. A former gold mine in South Dakota will house the huge refrigerator for a Deep Underground Neutrino Experiment (DUNE). “DUNE is the most sensitive experiment ever conceived for learning about the origins of the universe … the first particles emitted by the Big Bang.” Who knew that the answer to the creation of the universe lies in South Dakota?