1900 in science
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The year 1900 in science and technology involved some significant events, listed below.
Contents |
[edit] Aeronautics
- July 2 - The first airship flight is made by the LZ1 designed by Ferdinand von Zeppelin.
[edit] Chemistry
- Johannes Rydberg refines the expression for observed hydrogen line wavelengths.
[edit] Earth sciences
- Richard Dixon Oldham distinguishes between primary, secondary and tertiary waveforms as recorded by seismometers.[1]
[edit] Mathematics
- David Hilbert states his list of 23 problems which show where some further mathematical work is needed.
[edit] Photography
- Kodak introduce their first Brownie (camera).
[edit] Physics
- April 26 - Guglielmo Marconi patents the tuned circuit.
- December 7 - Max Planck states his quantum hypothesis and law of black body radiation, marking the birth of quantum physics.
- December 23 - Reginald Fessenden, experimenting with a high-frequency spark transmitter, successfully transmits speech over a distance of about 1.6 kilometers (one mile), from Cobb Island, Maryland, which appears to have been the first audio radio transmission.
- Gamma rays discovered by Paul Villard while studying uranium decay.
[edit] Physiology
- Karl Landsteiner makes the first discovery of blood types, identifying the ABO blood group system.[2]
[edit] Psychology
- Sigmund Freud's Die Traumdeutung (The Interpretation of Dreams) is published.
[edit] Births
- March 9 - Howard Aiken (d. 1973), computing pioneer.
- March 19 - Frédéric Joliot (d. 1958), physicist.
- April 25 - Wolfgang Ernst Pauli (d. 1958), physicist.
- April 26 - Charles Richter (d. 1985), geophysicist and inventor.
- April 28 - Jan Oort (d. 1992), astronomer.
- August 25 - Sir Hans Adolf Krebs (d. 1981), medical doctor and biochemist.
- August 26 - Hellmuth Walter (d. 1980), engineer and inventor.
- December 9 - Joseph Needham (d. 1995), biochemist and writer on the history of science and technology in China.
[edit] Deaths
- January 13 - Peter Waage (b. 1833), chemist.
- January 22 - David E. Hughes (b. 1831), inventor.
- March 6 - Gottlieb Daimler (b. 1834), German engineer, automotive pioneer.
- April 1 - George Jackson Mivart (b. 1827), English biologist.
- October 16 - Henry Acland (b. 1815), English physician.
[edit] References
- ^ Grout, Andrew (2004). "Oldham, Richard Dixon (1858–1936)". Oxford Dictionary of National Biography. Oxford University Press. doi:10.1093/ref:odnb/37820. http://www.oxforddnb.com/view/article/37820. Retrieved 2011-10-20. subscription or UK public library membership required
- ^ Landsteiner, K. (1900). "Zur Kenntnis der antifermentativen, lytischen und agglutinierenden Wirkungen des Blutserums und der Lymphe". Zentralblatt für Bakteriologie 27: 357–62.
