Watch the underground groundbreaking

This afternoon, watch a livestream of the start of excavation for the future home of the Deep Underground Neutrino Experiment. Today in South Dakota, dignitaries, scientists and engineers will mark the start of construction of the future home of America's flagship neutrino experiment with a groundbreaking ceremony. Participants will hold shovels and give speeches. But this will be no ordinary groundbreaking. It will take place a mile under the earth at Sanford Underground Research Facility, the ...