'On Dec. 2, 1942 the first nuclear reaction of this type was set off at the University of Chicago'
Chain reaction
HISTORIC CHICAGO: On Dec. 2, 1942 the first nuclear reaction of this type was set off at the University of Chicago
On Dec. 2, 1942 the first nuclear reaction of this type was set off at the University of Chicago
On Dec. 2, 1942 the first nuclear reaction of this type was set off at the University of Chicago
HISTORIC CHICAGO
Chain reaction
HISTORIC CHICAGO