1905 in science
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1905 in science and technology

See also: 1904 in science, other events of 1905, 1906 in science and the list of years in science.

Astronomy

Biology

Chemistry

Physics

• Albert Einstein publishes four papers. In particular, he formulates the theory of special relativity and states the law of mass-energy conservation: E=mc². He also explains the photoelectric effect by quantization and mathematically analyzes Brownian motion.

Technology

• Pathé Frères colors black and white films by machine.

Nobel Prizes

• Philipp Eduard Anton von Lenard is awarded the Nobel Prize for Physics
• Johann Friedrich Wilhelm Adolf von Baeyer is awarded the Nobel Prize for Chemistry
• Robert Koch is awarded the Nobel Prize for Medicine

Births

• March 18 - Thomas Townsend Brown, physicist
• August 11 - Erwin Chargaff, biochemist

Deaths

• March 24 - Jules Verne, science fiction author

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