单词	uncertainty principle
释义	uncertainty principle noun : a principle in quantum mechanics: it is impossible to discern simultaneously and with high accuracy both the position and the momentum of a particle (such as an electron) called also Heisenberg uncertainty principle Example Sentences Recent Examples on the Web Observation, in this case, is a quantum mechanics phenomenon embodied by Heisenberg’s uncertainty principle. Caroline Delbert, Popular Mechanics, 22 June 2022 Its title was inspired by German physicist Werner Heisenberg’s 1927 uncertainty principle, which says it’s impossible to precisely measure the velocity of a particle in motion. San Diego Union-Tribune, 7 Jan. 2022 But the uncertainty principle, formulated by German physicist Werner Heisenberg in the 1920s, states that there is a fundamental limit to how well the position and momentum of an object such as a drum can be known. Daniel Garisto, Scientific American, 6 May 2021 The uncertainty principle, formulated by Werner Heisenberg in 1927, is a consequence of the fuzziness of the universe at microscopic scales. Clara Moskowitz, Scientific American, 6 Aug. 2014 This same technique of acquiring the minimum amount of information needed for a measurement seemed to offer a way around the uncertainty principle. Clara Moskowitz, Scientific American, 6 Aug. 2014 In a sense, merely looking at a quantum system unavoidably disturbs it, a manifestation of Heisenberg’s famous uncertainty principle. Quanta Magazine, 2 Oct. 2019 In a sense, merely looking at a quantum system unavoidably disturbs it, a manifestation of Heisenberg’s famous uncertainty principle. Quanta Magazine, 2 Oct. 2019 In a sense, merely looking at a quantum system unavoidably disturbs it, a manifestation of Heisenberg’s famous uncertainty principle. Quanta Magazine, 2 Oct. 2019 See More Word History First Known Use 1929, in the meaning defined above
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