Fermi and the art of estimation |
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Authors: | Rajaram Nityananda |
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Affiliation: | 1. Physics Group HR-4, IISER, Pune, 411 008, India
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Abstract: | Fermi’s name is associated with a style — later much imitated — of making quick, approximate but surprisingly accurate estimates of answers to interesting questions, ranging from “How many piano tuners are there in Chicago?” to “What is the energy of a nuclear explosion?”. This article lists a few examples and goes into explosions in more detail, to bring out some aspects of order of magnitude estimation in physics. |
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