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The year 1934 in science and technology.

1 Astronomy

• Richard Tolman shows that black-body 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.

2 Chemistry

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

3 Physics

• Sonoluminescence is discovered at the University of CologneAfter the introduction of tuition fees for long-time students, the University of Cologne (German Universitat zu Koln is now the second-largest university in Germany with approximately 45,000 students; it is surpassed only by Munich University and followed.
• Ernest LawrenceErnest Orlando Lawrence ( August 8, 1901 August 27, 1958) was an American physicist and Nobel laureate best known for his invention of the cyclotron. Born in Canton, South Dakota, Lawrence attended St. Olaf College in Minnesota, but transferred to the Uni and Stan Livingston invent the cyclotronA cyclotron is a machine designed to accelerate beams of charged particles by using a high frequency alternating voltage across a magnetic field to spiral the beam out and eventually deflect it once the beam's radius equals its container's. At this point.

4 Technology

• The 135 film135 is a film format for still photography. Introduced in its modern form in 1934 it quickly grew in popularity, surpassing 120 film by the late 1960s to become the most popular photographic film format. Despite competition from formats such as 110 and AP cartridge was introduced, making 35mm film easy to use.

5 Awards

• Nobel PrizeThe Nobel Prizes (pronounced no-BELL or no-bell are awarded annually to people who have done outstanding research, invented groundbreaking techniques or equipment, or made outstanding contributions to society. It is generally regarded as the supreme comme
  • Physics: not awarded
  • Chemistry: Harold Clayton Urey
  • Physiology or Medicine: George Hoyt Whipple, George Richards Minot, William Parry Murphy

6 Births

• March 9 - Yuri Gagarin (d. 1968), cosmonaut, the first man in space.
• March 31 - Carlo Rubbia, physicist, Nobel laurette in Physics
• November 9 - Carl Sagan (d. 1996), astronomer.