In 1942 – Enrico Fermi, Leo Szilard and their colleagues achieved a successful nuclear fission chain reaction in a squash court underneath the football grandstand of the University of Chicago’s Stagg Field. The atomic age had begun.
In 1982 – A Seattle dentist named Barney Clark, deemed too sick for a heart transplant, became the first human recipient of a permanent artificial heart, the Jarvik 7. He survived for 112 days.
In 1993 – NASA launched the Space Shuttle Endeavour on a mission to repair the Hubble Space Telescope, turning the Hubble from a late night talk show joke to the source of some of the most beautiful and valuable astronomy yet done.
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