Neutron trail — true and untrue — about nuclear energy and weapons. Enrico Fermi built the first nuclear reactor (Chicago Pile-1) in an abandoned squash court at the University of Chicago. He ran the historic experiment for 28 minutes. In April 2009 artist Matthew Day Jackson invited Olivia to participate in a ceremonial game of squash. Jackson and the younger Fermi’s game tied “the physics of a squash ball to the physics of the first nuclear reactor”; was filmed in Los Alamos, New Mexico and displayed in a 28–minute video loop at the M.I.T. List Visual Arts Center and the Contemporary Arts
Shutdown (nuclear reactor) coolant system is depressurized. Shutdown (nuclear reactor) In a nuclear reactor, shutdown refers to the state of the reactor when it is subcritical by at least a margin defined in the reactor's technical specifications. Further requirements for being shut down may include having the reactor control key be secured and having no fuel movements or control systems maintenance in progress. The shutdown margin is defined in terms of reactivity, frequently in units of delta-k/k (where k is taken to mean k-effective, the effective multiplication factor) or occasionally in dollars (the dollar is a unit equal to the change in reactivity