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Fermi problem
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== Historical background == An example is [[Enrico Fermi]]'s estimate of the strength of the [[Nuclear weapon|atomic bomb]] that detonated at the [[Trinity test]], based on the distance traveled by pieces of paper he dropped from his hand during the blast. Fermi's estimate of 10 [[kilotons of TNT]] was well within an order of magnitude of the now-accepted value of 21 kilotons.<ref name=weapons-2-2005>{{cite journal|title=A Backward Glance: Eyewitnesses to Trinity|url=https://www.lanl.gov/orgs/padwp/pdfs/11nwj2-05.pdf|journal=[[Nuclear Weapons Journal]]|issue=2|publisher=Los Alamos National Laboratory|access-date=27 October 2022|page=45|year=2005}}</ref><ref>{{cite journal |first=Hans Christian |last=Von Baeyer |authorlink=Hans Christian von Baeyer |title=How Fermi Would Have Fixed It |journal=The Sciences |date=September 1988 |volume=28 |issue=5 |doi=10.1002/j.2326-1951.1988.tb03037.x |pages=2β4}}</ref><ref>{{cite book |title=The Fermi Solution: Essays on Science |first=Hans Christian |last=Von Baeyer |chapter=The Fermi Solution |pages=3β12 |publisher=Dover |date=2001 |isbn=978-0-486-41707-3 |oclc=775985788 |chapter-url=https://books.google.com/books?id=VhJr9Qx8ohsC&pg=PA3}}</ref>
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