Werner Heisenberg citations
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Werner Karl Heisenberg, né le 5 décembre 1901 à Wurtzbourg, Empire allemand, mort le 1er février 1976 à Munich, Allemagne, est un physicien allemand qui est l'un des fondateurs de la mécanique quantique. Il est lauréat du prix Nobel de physique de 1932 « pour la création de la mécanique quantique, dont l’application a mené, entre autres, à la découverte des variétés allotropiques de l'hydrogène ». Wikipedia  

✵ 5. décembre 1901 – 1. février 1976
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Werner Heisenberg: 42   citations 0   J'aime

Werner Heisenberg: Citations en anglais

“The more precise the measurement of position, the more imprecise the measurement of momentum, and vice versa.”

Werner Heisenberg Über den anschaulichen Inhalt der quantentheoretischen Kinematik und Mechanik

Initial statement of the Uncertainty principle in "Über den anschaulichen Inhalt der quantentheoretischen Kinematik und Mechanik" in Zeitschrift für Physik, 43 (1927)
Variant translation: The more precisely the position is determined, the less precisely the momentum is known in this instant, and vice versa.
As quoted in "The Uncertainty Principle" at the American Institute of Physics http://www.aip.org/history/heisenberg/p08.htm

“After these conversations with Tagore some of the ideas that had seemed so crazy suddenly made much more sense. That was a great help for me.”

On conversations with Rabindranath Tagore, as quoted in Uncommon Wisdom: Conversations With Remarkable People (1988) by Fritjof Capra, who states that after these "He began to see that the recognition of relativity, interconnectedness, and impermanence as fundamental aspects of physical reality, which had been so difficult for himself and his fellow physicists, was the very basis of the Indian spiritual traditions."
As quoted in Pride of India (2006) by Samskrita Bharati. p. 56
Variante: After the conversations about Indian philosophy, some of the ideas of Quantum Physics that had seemed so crazy suddenly made much more sense.

“Every experiment destroys some of the knowledge of the system which was obtained by previous experiments.”

"Critique of the Physical Concepts of the Corpuscular Theory" in The Physical Principles of the Quantum Theory (1930) as translated by Carl Eckhart and Frank C. Hoyt, p. 20; also in "The Uncertainty Principle" in The World of Mathematics : A Small Library of the Literature of Mathematics (1956) by James Roy Newman, p. 1051

“There is a fundamental error in separating the parts from the whole, the mistake of atomizing what should not be atomized. Unity and complementarity constitute reality.”

As quoted in Physics from Wholeness : Dynamical Totality as a Conceptual Foundation for Physical Theories (2005) by Barbara Piechocinska.

“Reality is in the observations, not in the electron.”

A summary of Heisenberg's view by Paul Davies in his introduction to Physics and Philosophy
Misattributed

“I am the one who knocks.”

A widely quoted statement by the character Walter White (a.k.a. "Heisenberg"), in the Cornered episode of Breaking Bad (21 August 2011), which people not familiar with the show might conceivably mistake for an attribution to the scientist.
Misattributed

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