C.K.N. Patel with his experimental 'flowing gas' laser. The glowing tube contains nitrogen in which electrical discharge is taking place.
Monday, September 23, 2013, 8:30 pm EDT
Department of the History and Sociology of Science, University of Pennsylvania
Friday, September 20, 2013, 5:30 pm EDT
Philadelphia Area Center for History of Science
Thursday, September 19, 2013, 11:00 pm EDT
Philadelphia Area Seminar on the History of Mathematics, Villanova University
Wednesday, September 18, 2013, 5:30 pm EDT
Wednesday, September 18, 2013, 5:00 pm EDT
Barbara Bates Center, University of Pennsylvania
Wednesday, September 18, 2013, 5:00 pm EDT
Barbara Bates Center, University of Pennsylvania
Monday, September 16, 2013, 10:30 pm EDT
Jefferson University History of Medicine Series
Monday, September 16, 2013, 8:30 pm EDT
Department of the History and Sociology of Science, University of Pennsylvania
Friday, September 13, 2013, 12:00 am EDT
Hagley Museum and Library
Monday, September 9, 2013, 8:30 pm EDT
Department of the History and Sociology of Science, University of Pennsylvania
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