Werner Heisenberg — "The problems of atomic physics are not problems of technology, but problems of p…"
The problems of atomic physics are not problems of technology, but problems of philosophy.
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More from Werner Heisenberg
"The idea of an objective real world whose smallest parts exist objectively in the same sense as stones or trees exist, independently of whether or not we observe them... is impossible."
"Our proposition that the physicists on both sides should not advance the production of atomic bombs, was thus indirectly, if one wants to exaggerate the point, a proposition in favor of Hitler."
"If we want to describe what happens in an atomic event, we must realize that the word 'happens' can apply only to the observation, not to the state of affairs between two observations."
"The more precise the measurement of position, the more imprecise the measurement of momentum, and vice versa."
"I remember discussions with Bohr which went through many hours till very late at night and ended almost in despair; and when at the end of the discussion I went alone for a walk in the neighboring par…"
Details
Elevating the philosophical aspects of quantum mechanics
Date: 1955 (Physics and Philosophy)
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Found in 1 providers: grok
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Understanding this quote
What it means
Studying atoms isn't just about building better tools or running cleverer experiments. The real difficulties are about what reality itself actually is: whether particles have definite properties before we measure them, whether cause and effect still hold, and what it means to 'observe' something. The hardest questions in atomic science are conceptual, not mechanical, and can't be solved by engineering alone.
Relevance to Werner Heisenberg
Heisenberg founded quantum mechanics and formulated the uncertainty principle in 1927, which said position and momentum can't both be known precisely. He spent decades debating Bohr, Einstein, and Schrödinger about what the math actually meant. He wrote 'Physics and Philosophy' and trained under Niels Bohr, treating interpretation as inseparable from discovery. For him, every equation opened a metaphysical question about observation, reality, and the limits of human knowledge.
The era
The 1920s-1930s quantum revolution shattered classical physics. Determinism, objective reality, and Newtonian certainty collapsed almost overnight. Physicists gathered at Solvay Conferences arguing whether God played dice. Meanwhile, the same atomic research led toward fission, WWII weapons programs, and Hiroshima. Heisenberg himself led Germany's wartime nuclear project. Science had outrun the philosophical frameworks meant to interpret it, forcing thinkers to confront what 'knowing' and 'existing' even meant in a probabilistic universe.
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