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The year 1974 in science and technology involved some significant events, listed below.
Astronomy and space explorationEdit
- February 8 – After 84 days in space, the last crew of the temporary American space station Skylab return to Earth.
- February 13–15 – Sagittarius A*, thought to be the location of a supermassive black hole, is identified by Bruce Balick and Robert Brown using the baseline interferometer of the United States National Radio Astronomy Observatory.<ref>Template:Cite book</ref>
- November 16 – Arecibo message transmitted from Arecibo Observatory (Puerto Rico) to Messier 13.
- Hawking radiation is predicted by Stephen Hawking.<ref>Template:Cite journal</ref>
Computer ScienceEdit
- The Mark-8 microcomputer based on the Intel 8008 microprocessor is designed by Jonathan Titus. It is announced on the cover of the July 1974 issue of Radio-Electronics as "Your Personal Minicomputer".
History of scienceEdit
- F. W. Winterbotham publishes The Ultra secret: the inside story of Operation Ultra, Bletchley Park and Enigma, the first popular account of cryptography carried out at Bletchley Park during World War II.
MathematicsEdit
- Yves Hellegouarch proposes a connection between Fermat's Last Theorem and the Frey curve.<ref>Template:Cite journal</ref>
MedicineEdit
- September 25 – 1974 – The first "Tommy John surgery" for replacement of ulnar collateral ligament of elbow joint is performed by Frank Jobe in the United States.
- Identification of controlled trials in perinatal medicine, as advocated by Archie Cochrane, begins in Cardiff, Wales.<ref>{{#invoke:citation/CS1|citation
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- Henry Heimlich describes the "Heimlich Maneuver" as a treatment for choking.<ref>Template:Cite journal</ref>
Paleoanthropology and paleontologyEdit
- November 24 – A group of paleoanthropologists discover remains of a 3.2-million-year-old skeleton of an Australopithecus afarensis in the Afar Depression of Ethiopia, nicknaming her "Lucy".
PhysicsEdit
- May 18 – "Smiling Buddha", India's first nuclear test explosion takes place underground at Pokhran.<ref>{{#invoke:citation/CS1|citation
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- "November Revolution": J/ψ meson, the first particle found to contain a charm quark, discovered by teams at the Brookhaven National Laboratory, led by Samuel Ting,<ref>Template:Cite journal</ref> and at the Stanford Linear Accelerator Center, led by Burton Richter.<ref>Template:Cite journal</ref>
PhysiologyEdit
- May – British neuroscientists John Hughes and Hans Kosterlitz announce their isolation of the peptides met- and leu-enkephalin.
PsychologyEdit
- Civilized Man's Eight Deadly Sins is published by Konrad Lorenz.
- Leon Kamin demonstrates that Sir Cyril Burt's influential research into heritability of IQ using twin studies shows evidence of statistical falsification.<ref>Template:Cite news</ref>
TechnologyEdit
- June 26 – The Universal Product Code is scanned for the first time, to sell a package of Wrigley's chewing gum at the Marsh Supermarket in Troy, Ohio, the first use of barcode technology in American retailing.<ref>{{#invoke:citation/CS1|citation
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- Stephen Salter invents the "Salter Duck", a wave energy converter.
ZoologyEdit
- January 7 – Outbreak of 4-year Gombe Chimpanzee War in Tanzania, reported by Jane Goodall.
- Digital dermatitis in cattle identified in Italy by Cheli and Mortellaro.
Other eventsEdit
- Rubik's Cube invented by Ernő Rubik.<ref>Template:Cite book</ref>
AwardsEdit
- Fields Prize in Mathematics: Enrico Bombieri and David Mumford
- Nobel Prizes
- Physics – Martin Ryle, Antony Hewish<ref>{{#invoke:citation/CS1|citation
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BirthsEdit
- March 10 – Biz Stone, American computing entrepreneur
- August 8 – Manjul Bhargava, Canadian-born mathematician
- August 11 – Sarah-Jayne Blakemore, English cognitive neuroscientist
- September 28 – Sunil Kumar Verma, Indian biologist
DeathsEdit
- February 4 – S. N. Bose, Indian physicist (b. 1894)
- April 12 – Cornelis Simon Meijer, Dutch mathematician (b. 1904)
- May 4 – Ludwig Koch, German-born British animal sound recordist (b. 1881)
- May 18 – Harry Ricardo, English mechanical engineer (b. 1885)
- May 22 – Irmgard Flügge-Lotz (b. 1903), German-American mathematician and aerospace engineer
- June 28 – Vannevar Bush, American science administrator (b. 1890)
- July 3 – Sergey Lebedev, Soviet Russian computer scientist (b. 1902)
- August 22 – Jacob Bronowski, Polish-born British scientific polymath (b. 1908)