Physics
- Freeman Dyson demonstrates the equivalence of the formulations of quantum electrodynamics existing at this time, incidentally inventing the Dyson series.
- The Lanczos tensor is introduced in general relativity by Cornelius Lanczos.
Read more about this topic: 1949 In Science
Famous quotes containing the word physics:
“We must be physicists in order ... to be creative since so far codes of values and ideals have been constructed in ignorance of physics or even in contradiction to physics.”
—Friedrich Nietzsche (1844–1900)
“The fundamental laws of physics do not describe true facts about reality. Rendered as descriptions of facts, they are false; amended to be true, they lose their explanatory force.”
—Nancy Cartwright (b. 1945)
“Mathematics should be mixed not only with physics but with ethics.”
—Henry David Thoreau (1817–1862)