KNOWPIA
WELCOME TO KNOWPIA
1971 in science 
Summary
The year 1971 in science and technology involved some significant events, listed below.
| |||
|---|---|---|---|
|
Astronomy and space exploration edit
- January 31 – Apollo program: Astronauts aboard Apollo 14 lift off for a mission to the Moon.
- February 5 – Apollo 14 lands on the Moon.
- February 9 – Apollo program: Apollo 14 returns to Earth after the third crewed Moon landing.
- May 19 – Mars probe program: Mars 2 is launched by the Soviet Union.
- May 30 – Mariner program: Mariner 9 is launched toward Mars.
- June 30 – The crew of the Soyuz 11 spacecraft are killed when their air supply leaks out through a faulty valve during re-entry preparations, the only human deaths to occur outside Earth's atmosphere.
- July 26 – Apollo program: Launch of Apollo 15. On July 31 the Apollo 15 astronauts become the first to ride in a lunar rover a day after landing on the Moon's surface.
- November 13 – Mariner program: Mariner 9 enters Mars orbit.
Biology edit
- July – Francis G. Howarth discovers communities of specialized thermophile cave animals living in lava tubes at Hawaii Volcanoes National Park.[1]
- C. A. W. Jeekel publishes Nomenclator Generum et Familiarum Diplopodorum.
- John O'Keefe discovers place cells in the mammalian brain.[2][3]
Computer science edit
- July 4 – Michael S. Hart posts the first e-book, a copy of the United States Declaration of Independence, on the University of Illinois at Urbana–Champaign's mainframe computer, the origin of Project Gutenberg.[4]
- November 3 – The Unix Programmer's Manual is published.
- November 15 – Intel release the world's first microprocessor, the 4004.
- November/December – Computer Space is released, the first arcade video game.
- Ray Tomlinson sends the first ARPAnet e-mail between host computers, at BBN, Cambridge, Massachusetts, with the first use of the @ sign in an address.[5]
- Kenbak-1 goes on sale, considered to be the world's first personal computer by the Computer History Museum and the American Computer Museum.
- The earliest floppy disks, 8 inches in diameter, become commercially available as components of products shipped by IBM, their inventor.
Conservation edit
- February 2 – The international Ramsar Convention for the conservation and sustainable utilization of wetlands is signed in Ramsar, Mazandaran, Iran.
Earth sciences edit
- February 9 – The San Fernando (Sylmar) earthquake occurs in southern California with a magnitude of 6.6 and a perceived intensity of XI (extreme) on the Modified Mercalli intensity scale.
Mathematics edit
- Stephen Cook introduces the concept of NP-completeness in computational complexity theory at the 3rd Annual ACM Symposium on Theory of Computing.[6]
- Daniel Quillen publishes a proof of the Adams conjecture.[7]
- Steven Takiff introduces Takiff algebras.[8]
- The Quine–Putnam indispensability argument is first presented explicitly, by Hilary Putnam in his book Philosophy of Logic.
Medicine edit
- October 1 – Godfrey Hounsfield's invention, X-ray computed tomography, is first used on a patient with a cerebral cyst at Atkinson Morley Hospital in Wimbledon, London.[9]
- Boston Women's Health Book Collective publishes Our Bodies, Ourselves in the U.S.
- E. G. L. Bywaters characterises adult-onset Still's disease, a rare form of inflammatory arthritis.[10]
- Smallpox is eradicated from the Americas.[11]
Physics edit
- Roger Penrose proposes the Penrose process.[12]
Psychology edit
- August 14–20 – Stanford prison experiment.
- Konrad Lorenz publishes Studies in Animal and Human Behavior, Volume II.
Technology edit
- Richard H. Frenkiel, Joel S. Engel and Philip T. Porter of Bell Labs in the United States set out the parameters for a practical cellular telephone network.
- J. J. Stiffler publishes his book Theory of Synchronous Communications and edits a special issue of IEEE Transactions on Communication Technology on error correction codes.
Institutions edit
- Paris Descartes University begins to function in continuation of the medical department of the University of Paris.
Awards edit
Births edit
- May 29 – Howard Gobioff (d. 2008), American computer scientist.
- June 28 – Elon Musk, South African-born Canadian-American entrepreneur, engineer, inventor and investor.
- July 4 – Sivakumar Veerasamy, Indian plant geneticist.
- July 21 – Sara Seager, Canadian-American astrophysicist.
- August 2 – Ruth Lawrence, English-born mathematician.
Deaths edit
- January 23 – Fritz Feigl (b. 1891), Austrian-born Brazilian chemist
- January 25 – Donald Winnicott (b. 1896), English child psychiatrist.
- February 16 – Heinrich Willi (b. 1900), Swiss pediatrician.
- February 25 – Theodor Svedberg (b. 1884), Swedish chemist, Nobel Prize laureate
- March 11 – Philo T. Farnsworth (b. 1906), American television pioneer.
- April 1 – Dame Kathleen Lonsdale (b. 1903), Irish-born crystallographer.
- April 6 – Margaret Newton (b. 1887), Canadian plant pathologist.
- June 6 – Edward Andrade (b. 1887), English physicist.
- June 30 – Soviet cosmonauts
- Georgy Dobrovolsky (b. 1928)
- Vladislav Volkov (b. 1935)
- Viktor Patsayev (b. 1933)
References edit
- ^ Howarth, Francis G. (1972-01-21). "Cavernicoles in Lava Tubes on the Island of Hawaii". Science. 175 (4019): 325–326. Bibcode:1972Sci...175..325H. doi:10.1126/science.175.4019.325. JSTOR 1733505. PMID 17814543. S2CID 36219772.
- ^ O'Keefe, John; Dostrovsky, Jonathan (1971). "The hippocampus as a spatial map: preliminary evidence from unit activity in the freely-moving rat". Brain Research. 34 (1): 171–175. doi:10.1016/0006-8993(71)90358-1. PMID 5124915.
- ^ Binder, Marc D (2009). Encyclopedia of Neuroscience. Springer. p. 3166. ISBN 978-3-540-23735-8.
- ^ Hart, Michael (August 1992). "The History and Philosophy of Project Gutenberg". Project Gutenberg. Retrieved 2011-10-05..
- ^ Tomlinson, Ray. "The First Network Email". Archived from the original on 2006-05-06. Retrieved 2011-10-05.
- ^ Cook, Stephen (1971). "The complexity of theorem proving procedures". Proceedings of the Third Annual ACM Symposium on Theory of Computing. pp. 151–158. doi:10.1145/800157.805047. ISBN 9781450374644. S2CID 7573663.
- ^ Quillen, Daniel (1971). "The Adams Conjecture". Topology. 10: 67–80. doi:10.1016/0040-9383(71)90018-8. ISSN 0040-9383. MR 0279804.
- ^ Takiff, S. J. (1971). "Rings of invariant polynomials for a class of Lie algebras". Transactions of the American Mathematical Society. 160: 249–262. doi:10.2307/1995803. ISSN 0002-9947. JSTOR 1995803. MR 0281839.
- ^ Beckmann, E. C. (2006). "CT scanning: the early days". British Journal of Radiology. 79 (937): 5–8. doi:10.1259/bjr/29444122. PMID 16421398.
- ^ Bywaters, E. G. L. (March 1971). "Still's disease in the adult". Annals of the Rheumatic Diseases. 30 (2): 121–33. doi:10.1136/ard.30.2.121. PMC 1005739. PMID 5315135.
- ^ "Americas region is declared the world's first to eliminate rubella". WHO. 2015-04-30. Archived from the original on 2015-05-18. Retrieved 2015-04-30.
- ^ Penrose, R.; Floyd, R. M. (1971). "Extraction of Rotational Energy from a Black Hole". Nature Physical Science. 229 (6): 177. Bibcode:1971NPhS..229..177P. doi:10.1038/physci229177a0.