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Word: planck (lookup in dictionary) (lookup stats)
Dates: during 1940-1949
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Usage:

Bohr stressed the curious paradoxes and blind alleys measuring the location and momentum of electrons by either the classical rules of mechanics or Planck's Quantum Theory. He concluded however, with an optimistic outlook towards future discovery...

Author: NO WRITER ATTRIBUTED | Title: Nils Bohr Talks on New Atomic Discoveries to Science Majors | 10/30/1946 | See Source »

...almost saintly, childlike little man with the soft brown eyes, the drooping facial lines of a world-weary hound, and hair like an aurora borealis. He is Professor Albert Einstein, author of the Theory of Special Relativity, the Unified Field Theory, and a decisive expansion of Max Planck's Quantum Theory, onetime director of Berlin's Kaiser Wilhelm Institute, Professor Emeritus at Princeton's Institute for Advanced Study, onetime Swiss citizen, onetime Enemy No.1 of Hitler's Third Reich, now a U.S. citizen...

Author: /time Magazine | Title: Science: Crossroads | 7/1/1946 | See Source »

Philip Ver Planck...

Author: NO WRITER ATTRIBUTED | Title: Roster of Alumni Returning for AHC Post-Victory Meeting | 6/4/1946 | See Source »

...world finally will be rid of the linotype, in fact, of movable type. No more shall it be shackled by the Relativity Theory of Einstein, the Quantum Theory of Planck, the Wave Mechanics of Heisenberg. Out with Kekule's theory of molecular structure, Helmholtz's electrodynamics, the chemistry of aniline dyes, etc. Out with microscopes, telescopes, cameras, and other instruments requiring lenses, perfected in Germany, fundamentally of course for military usage. Out with Ehrlich's "Magic Bullet," Mendel's laws of heredity. Finally, but not until our program has been completed, out with the sterilization...

Author: /time Magazine | Title: Letters, Nov. 18, 1940 | 11/18/1940 | See Source »

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