The year 1942 in science and technology involved some significant events, listed below.
Astronomy
February 27 – James Stanley Hey, a British Army research officer, first detects radio waves emitted by the Sun, helping to pioneer radio astronomy. October 3 – The first V-2 rocket is successfully launched from Test Stand VII at Peenemünde, Germany, flying a distance of 147 km and reaching a height of 84.5 km, becoming the first man-made object to reach space.
Biology
German pathologist Max Westenhöfer first puts forward an aquatic ape hypothesis.
Chemistry
Cyanoacrylate adhesive is invented by Harry Coover of Eastman Kodak. Eastman Kodak first market Kodacolor color negative film.
Computer science
John V. Atanasoff with Clifford Berry successfully test the Atanasoff–Berry Computer, the first electronic digital computing device.
Mathematics
December – Raphaël Salem and Donald C. Spencer publish a progression-free Salem–Spencer set of the numbers from to of size proportional to , for every .
Physics
August 13 – United States Chief of Engineers, Major General Eugene Reybold formally establishes the 'Manhattan Engineer District' of the Corps of Engineers to undertake production facility construction work for what will become known as the Manhattan Project. December 2 – Chicago Pile-1, the first nuclear reactor, goes critical under the squash court of the University of Chicago, thanks to the efforts of Enrico Fermi, Leó Szilárd, George Weil and the rest of the Chicago pile team.
Physiology and medicine
November 1 – Klinefelter syndrome is first described by American endocrinologist Harry Klinefelter. Alfred Gilman, Louis S. Goodman and Frederick S. Philips first carry out trials of anti-cancer chemotherapy, using mechlorethamine. The first practical oximeter is described by Glenn Allan Millikan.
Psychology
Katharine Cook Briggs and her daughter, Isabel Briggs Myers, produce the first Briggs-Myers Type Indicator.
Technology
March – Isaac Asimov's Three Laws of Robotics are introduced in his short story "Runaround" published in Astounding Science-Fiction. July 18 – Messerschmitt Me 262 jet aircraft prototype makes its first flight under jet power. August 11 – Composer George Antheil and actress Hedy Lamarr are granted a United States patent for a frequency-hopping spread spectrum communication system intended to make radio-guided torpedoes harder to detect. October 2 – The first American-built jet aircraft, the Bell P-59 Airacomet fighter prototype, makes its first official flight. November 26 – First operational military Bailey bridge erected by British Royal Engineers over the Medjerda River near Majaz al Bab in Tunisia. Walter Bruch operates a closed-circuit television system to monitor the V-2 rocket launches.
Births
January 8 – Stephen Hawking, English cosmologist and best-selling author of A Brief History of Time (died 2018) January 12 – Michel Mayor, Swiss astronomer, recipient of a Nobel Prize in Physics January 27 – Tasuku Honjo, Japanese immunologist, recipient of a Nobel Prize in Physiology or Medicine March 27 – John Sulston, English molecular biologist, recipient of a Nobel Prize in Physiology or Medicine (died 2018) May 24 – Fraser Stoddart, Scottish-born chemist, recipient of a Nobel Prize in Chemistry June 8 – Jacques Dubochet, Swiss biophysicist, recipient of a Nobel Prize in Chemistry August 24 – Karen Uhlenbeck, American mathematician October 20 – Christiane Nüsslein-Volhard, German developmental geneticist, recipient of a Nobel Prize in Physiology or Medicine November 14 – Hanna von Hoerner, German astrophysicist (died 2014) November 22 – Guion Bluford, African American aerospace engineer and astronaut November 30 – André Brahic, French astrophysicist (died 2016) December 1 – John Clauser, American quantum physicist, recipient of a Nobel Prize in Physics