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05/12/1901 Uncertain physicist is born

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What is the Heisenberg Uncertainty Principle? - Chad Orzel

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Werner Heisenberg Biography

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Werner Heisenberg: A Biography and Life Story

German theoretical physicist Werner Heisenberg is most known for his uncertainty principle. It asserts a limit to the precision with which certain pairs of physical variables can be known. These pairs are for example position and momentum, or energy and duration. Heisenberg developed a matrix formulation of quantum mechanics and made many other contributions to physics.
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