The neutrino detector Super-Kamiokande in Japan contains 50,000 tons of ultrapure water surrounded by detectors used to pinpoint collisions of neutronos with the water molecules. | Super-Kamiokande

Going Underground to Reveal Neutrino Secrets: Perimeter Institute LIVE

In tonight's special Perimeter Institute public lecture, Nobel Laureate Art McDonald will delve into the science behind detecting the most ghostly known particles in the universe. Watch it here, live, at 7pm EDT!

April 13, 2016
2:38 PM EDT