It ended in 1942 with the creation of 'big, or post-modern' science which began when Enrico Fermi's atomic pile
, crucial in the race to discover an atomic bomb before Hitler did so, 'went critical for the first time'.
Visitors also can see a model of CP-1, the atomic pile
that created the first sustained, controlled nuclear chain reaction at the University of Chicago.
1 atomic pile
building the Queen saw the four charging motors - painted in pastel shades of blue, green, yellow and pink - controlling the pounds 2-m worth of uranium rods which inserted in the graphite pile were producing an intense heat in the atomic furnace.
Cathedral was opened; 1904: Napoleon was crowned Emperor in Paris; 1901: King camp Gillette patented the first safety-razor; 1942: The first atomic pile
started operating in Chicago;1990: Christian Democrats under Helmut Kohl won the first general election held in reunited Germany.
The economics of atomic piles
versus coal-burning furnaces will in time involve management and labor in vigorous, possibly violent disagreements.