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" "Experimental science is a craft and an art, and part of the art is knowing when to end a fruitless experiment. There is a danger of becoming obsessed with a fruitless experiment even if it goes nowhere.
Martin Lewis Perl (born June 24, 1927, in New York – September 30, 2014) is an American physicist and chemical engineer, who won the Nobel Prize in Physics in 1995 for his discovery of the tau lepton.
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