Physics
- William Henry Bragg and William Lawrence Bragg work out the Bragg condition for strong X-ray reflection.
- Niels Bohr presents his quantum model of the atom.
- Robert Millikan measures the fundamental unit of electric charge.
- Georges Sagnac demonstrates the Sagnac effect, showing that light propagates at a speed independent of the speed of its source.
- Johannes Stark demonstrates that strong electric fields will split the Balmer spectral line series of hydrogen.
Read more about this topic: 1913 In Science
Famous quotes containing the word physics:
“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)
“It is hardly to be believed how spiritual reflections when mixed with a little physics can hold people’s attention and give them a livelier idea of God than do the often ill-applied examples of his wrath.”
—G.C. (Georg Christoph)
“Mathematics should be mixed not only with physics but with ethics.”
—Henry David Thoreau (1817–1862)