This historic photo was taken circa 1964 and shows a boiling water reactor - which was a type of light water nuclear reactor used for the generation of electrical power. Historic USDE.
CAVE stands for Cave Automatic Virtual Environment - USDE. Photo taken in 2014.
The Z-machine is the most powerful x- ray generator on Earth creating temperatures rivaling those of the sun. This helps physicists examine up-close what happens to iron in the grip of black hotels and neutron stars. USDE. This photo was taken in 2014.