See also: 1933 in science, other events of 1934, 1935 in science, list of years in science.

Table of contents

1 Astronomy 2 Chemistry 3 Physics 4 Technology 5 Awards 6 Births 7 Deaths

Astronomy

• Richard Tolman shows that blackbody radiation in an expanding universe cools but remains thermal.
• Georges Lemaître interprets the cosmological constant as due to a vacuum energy with an unusual perfect fluid equation of state.

• The Mulliken scale of chemical element electronegativity is developed by Robert S. Mulliken.

• Sonoluminescence is discovered at the University of Cologne.
• Ernest Lawrence and Stan Livingston invent the cyclotron.

• The 135 film cartridge was introduced, making 35mm film easy to use.

• Nobel Prize
  • Physics: not awarded
  • Chemistry: Harold Clayton Urey
  • Physiology or Medicine: George Hoyt Whipple, George Richards Minot, William Parry Murphy

• March 9 - Yuri Gagarin, cosmonaut, the first man in space
• Carlo Rubbia, physicist, Nobellaurette in Physics