50F0393E-1E4E-4179-BF3E-8C69603F0C3E_1_201_a

September 29, 2021

On Aug. 6, Steve Linden, a research scientist at SNOLAB, continues to assemble SENSEI in the underground cleanroom. Photo: SNOLAB

A person in PPE peers out from behind a large copper cube with doors with slate-colored blocks around its base.