Heisenberg, Werner (1901-1976)German
theoretical physicist.
Famous for the uncertainty principle in quantum mechanics, widely received as
asserting a radically irreducible conception of nature (1927). In brief, a
particle’s position and momentum together define its path, or trajectory, but
the uncertianity principle implies that a precisely
defined value for position and momentum cannot both be possessed at by a
quantum mechanical system. The more determinate one of the values is, the less
the other value in the pair will be.
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Contributed
by: Richard P Whaite
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