Physics
- Robert J. Van de Graaff develops the Van de Graaff generator.
- Oskar Klein discovers the Klein paradox.
- Oskar Klein and Y. Nishina derive the Klein-Nishina cross section for high energy photon scattering by electrons.
- Sir Nevill Francis Mott derives the Mott cross section for the Coulomb scattering of relativistic electrons.
- Paul Adrien Maurice Dirac and Werner Karl Heisenberg develop the quantum theory of ferromagnetism.
- Ernest O. Lawrence invents the cyclotron, for which he will receive the 1939 Nobel Prize in Physics.
- Edwin H. Land patents Polaroid polarizing film.
Read more about this topic: 1929 In Science
Famous quotes containing the word physics:
“The labor we delight in physics pain.”
—William Shakespeare (15641616)
“It is hardly to be believed how spiritual reflections when mixed with a little physics can hold peoples attention and give them a livelier idea of God than do the often ill-applied examples of his wrath.”
—G.C. (Georg Christoph)
“Although philosophers generally believe in laws and deny causes, explanatory practice in physics is just the reverse.”
—Nancy Cartwright (b. 1945)