Stephen Pordes

This schematic of the DarkSide-50 apparatus shows the various layers that shield the detector. Nobody knows what dark matter, the invisible stuff that holds galaxies together, is made of, and many experiments, using many different technologies, are trying to discover it. The DarkSide-50 experiment, a U.S., Italy, France, Russia, Poland, China and Ukraine collaboration, is a search for one form suggested for dark matter, massive particles that interact weakly with ordinary matter (WIMPs). Our experiment looks for WIMP interactions in…