Über den anschaulichen Inhalt

Werner HEISENBERG

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Über den anschaulichen Inhalt
Über den anschaulichen Inhalt

HEISENBERG’S UNCERTAINTY PRINCIPLE: THE BASIS FOR A NEW SCIENTIFIC LANGUAGE

HEISENBERG, Werner. Über den anschaulichen Inhalt der quantentheoretischen Kinematick und Mechanik. IN: Zeitschrift für Physik, Volume 43; pp. 172-198. Berlin: Julius Springer, 1927. Octavo, modern half black morocco, marbled boards. Housed in a custom slipcase.

First appearance of Heisenberg’s uncertainty principle, setting absolute limits on human knowledge and redefining the study of subatomic particles.

The uncertainty principle “states simply that it is not possible to calculate with perfect accuracy both the position and momentum of a subatomic particle. Effectively, the more certainty with which a subatomic particle’s speed is measured, the less accuracy can be assigned to its position. The uncertainty principle gave full weight to an idea that had been known to physics for several years: namely, that ordinary language cannot describe the atom. The atom can only be measured, and into these measurements is built inherent uncertainty due to the limitations of human perception” (Simmons, Scientific 100, 79). Since Heisenberg and other scientists insisted that theory should only include such elements which are, in principle, observable, the uncertainty principle required a completely new direction to the atom. Still more profoundly, Heisenberg’s paper forced scientists to confront the unsettling notion that one of the most revered and ancient goals of science, namely that of being able to understand at any one moment the position and velocity of every particle in the universe, must be abandoned. Heisenberg was awarded the 1932 Nobel Prize in physics for “the creation of quantum mechanics” (Nobel: The Man and his Prizes, 449). Bookplate. Owner signature on title page.

A fine copy.

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