Oracle

883b6b5bsigned

In what year did Chicago Pile-1 achieve the first self-sustaining nuclear chain reaction? Answer with the four-digit year only.

Answer

1,942

1942 uint256

sources
www.energy.gov, doe office of nuclear energy / office of history and heritage resources: chicago pile-1 achieved the first self-sustaining nuclear chain reaction on december 2, 1942, en.wikipedia.org, encyclopaedia britannica, "chicago pile-1"; u.s. department of energy office of nuclear energy history page, both stating criticality was achieved on december 2, 1942., encyclopaedia britannica, 'chicago pile-1' entry, encyclopaedia britannica, 'chicago pile-1': first self-sustaining nuclear chain reaction achieved december 2, 1942, encyclopaedia britannica, 'chicago pile-1'; u.s. department of energy / argonne national laboratory historical account of the manhattan project's first controlled nuclear chain reaction, december 2, 1942, encyclopedia britannica, "chicago pile-1": on december 2, 1942, the chicago pile-1 reactor achieved the first self-sustaining nuclear chain reaction., encyclopedia britannica, 'chicago pile-1' entry, and u.s. department of energy office of nuclear energy historical account, both stating the reactor achieved criticality on december 2, 1942, encyclopedia britannica, 'chicago pile-1': https://www.britannica.com/topic/chicago-pile-1 — states the reactor achieved the first controlled, self-sustaining nuclear chain reaction on december 2, 1942, at the university of chicago., encyclopedia britannica, 'chicago pile-1'; u.s. department of energy, office of nuclear energy history of chicago pile-1, historical record of the manhattan project: chicago pile-1, built under the university of chicago's stagg field bleachers, achieved the first human-made self-sustaining nuclear chain reaction on december 2, 1942, under the direction of enrico fermi. this date is documented by the u.s. department of energy's office of history and heritage resources and by the american nuclear society historical archives., historical record: chicago pile-1, the first artificial self-sustaining nuclear chain reaction, achieved criticality on december 2, 1942, under the direction of enrico fermi at the university of chicago (widely documented in department of energy and argonne national laboratory historical accounts)., news.uchicago.edu, physics.uchicago.edu, u.s. department of energy / argonne national laboratory historical record of the manhattan project's chicago pile-1 experiment, which achieved criticality on december 2, 1942 under stagg field, university of chicago., u.s. department of energy / argonne national laboratory history of chicago pile-1 (december 2, 1942 first self-sustaining nuclear chain reaction), u.s. department of energy office of legacy management historical account of chicago pile-1 (december 2, 1942), u.s. department of energy office of nuclear energy historical account of chicago pile-1 (december 2, 1942); corroborated by encyclopedia britannica entry on chicago pile-1, u.s. department of energy office of nuclear energy, "60 years of nuclear power" / argonne national laboratory historical records: chicago pile-1 achieved the first self-sustaining nuclear chain reaction on december 2, 1942, at the university of chicago., u.s. department of energy office of nuclear energy, "75 years ago: the first self-sustaining nuclear reaction" (history.aip.org / energy.gov account of chicago pile-1 achieving criticality at the university of chicago on december 2, 1942, under enrico fermi's direction), u.s. department of energy office of nuclear energy, "the history of nuclear energy" / american physical society historical record of chicago pile-1's first self-sustaining chain reaction on december 2, 1942, u.s. department of energy office of nuclear energy, "the history of nuclear energy" / argonne national laboratory chicago pile-1 history page — both state the first self-sustaining nuclear chain reaction occurred on december 2, 1942, under enrico fermi's direction at the university of chicago., u.s. department of energy office of nuclear energy, "the history of nuclear energy" and encyclopaedia britannica entry on chicago pile-1, both stating the first controlled, self-sustaining nuclear chain reaction occurred on december 2, 1942., u.s. department of energy, metallurgical laboratory at the university of chicago (https://www.energy.gov/lm/metallurgical-laboratory-university-chicago); argonne national laboratory, chicago pile 1 (cp-1) 70th anniversary (https://www.ne.anl.gov/cp1-anniversary/). both state cp-1 achieved the first self-sustaining nuclear chain reaction on december 2, 1942., u.s. department of energy, office of history and heritage resources, 'the chicago pile-1 reactor' (history.aip.org / energy.gov); american physical society 'this month in physics history: december 2, 1942: chicago pilot reactor achieves criticality', u.s. department of energy, office of legacy management history of chicago pile-1 / manhattan project (achieved first self-sustaining nuclear chain reaction on december 2, 1942), u.s. department of energy, office of nuclear energy, "fermi's legacy" (energy.gov/ne/articles/fermis-legacy); encyclopaedia britannica, "chicago pile-1" (britannica.com/topic/chicago-pile-1), u.s. department of energy, office of nuclear energy, 'the history of nuclear energy' and encyclopaedia britannica entry on chicago pile-1, both stating the first self-sustaining nuclear chain reaction was achieved on december 2, 1942 at the university of chicago, u.s. department of energy, office of nuclear energy: "chicago pile 1" history page, confirming chicago pile-1 reached the first controlled, self-sustaining nuclear chain reaction on december 2, 1942., u.s. department of energy, office of nuclear energy: "chicago pile-1 achieved the first self-sustaining nuclear chain reaction on december 2, 1942"; corroborated by encyclopaedia britannica's entry on chicago pile-1., u.s. department of energy, office of nuclear energy: "chicago pile-1 achieved the first self-sustaining nuclear chain reaction on december 2, 1942.", u.s. department of energy, office of nuclear energy: "chicago pile-1 was the world's first artificial nuclear reactor, achieving the first controlled, self-sustaining nuclear chain reaction on december 2, 1942, under stagg field at the university of chicago.", u.s. department of energy, office of nuclear energy: "on dec. 2, 1942, a team of scientists led by enrico fermi initiated the first self-sustaining nuclear chain reaction... in a makeshift laboratory below the university of chicago's stagg field.", u.s. department of energy, office of nuclear energy: "the story of chicago pile 1 and nuclear power" — states chicago pile-1 achieved the first self-sustaining nuclear chain reaction on december 2, 1942., u.s. department of energy, office of nuclear energy: 'chicago pile-1 achieved the first controlled, self-sustaining nuclear chain reaction on december 2, 1942'; corroborated by american nuclear society historical accounts of enrico fermi's team at the university of chicago., u.s. department of energy, office of nuclear energy: 'chicago pile-1 achieved the world's first human-made self-sustaining nuclear chain reaction on december 2, 1942.', u.s. department of energy, office of nuclear energy: 'on december 2, 1942, a team led by physicist enrico fermi achieved the first controlled nuclear chain reaction' under the chicago pile-1 reactor at the university of chicago., u.s. department of energy, office of nuclear energy: 'on december 2, 1942, a team of scientists led by enrico fermi achieved the first self-sustaining nuclear chain reaction in chicago pile-1.', u.s. department of energy, office of nuclear energy: 'on december 2, 1942, a team of scientists led by enrico fermi initiated the first self-sustaining nuclear chain reaction inside chicago pile-1'; corroborated by encyclopaedia britannica entry on chicago pile-1, u.s. department of energy, office of nuclear energy: 'on december 2, 1942, a team of scientists led by enrico fermi initiated the world's first self-sustaining nuclear chain reaction in an experiment called chicago pile-1 (cp-1).', u.s. department of energy, office of nuclear energy: 'on december 2, 1942, leb, chicago pile-1 achieved the first human-made self-sustaining nuclear chain reaction', u.s. department of energy, office of nuclear energy: chicago pile-1 achieved the first self-sustaining nuclear chain reaction on december 2, 1942, us department of energy, office of nuclear energy: "on december 2, 1942, chicago pile-1 ... achieved the first self-sustaining nuclear chain reaction.", us nrc / department of energy historical accounts: chicago pile-1, built under the university of chicago's stagg field stands, achieved the first controlled, self-sustaining nuclear chain reaction on december 2, 1942, wikipedia, "chicago pile-1" (https://en.wikipedia.org/wiki/chicago_pile-1): "on 2 december 1942, this reactor, known as chicago pile-1 (cp-1), achieved criticality... the first human-made self-sustaining nuclear chain reaction.", wikipedia, "chicago pile-1" (https://en.wikipedia.org/wiki/chicago_pile-1): states the reactor achieved criticality on december 2, 1942., wikipedia, "chicago pile-1": states the reactor achieved the first human-made self-sustaining nuclear chain reaction on december 2, 1942, at the university of chicago under enrico fermi's direction (manhattan project)., wikipedia, 'chicago pile-1' (https://en.wikipedia.org/wiki/chicago_pile-1) - states the reactor achieved criticality on december 2, 1942, www.archives.gov, www.lib.uchicago.edu, www.ne.anl.gov

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