NationMaster - Encyclopedia: 1842 in science

The year 1842 in science and technology included many events, some of which are listed here. For the scientific journal named Science, see Science (journal). ... Technology ( Gr. ...

Mechanics

Christian sex Doppler (November 29, 1803 _ March 17, 1853) was an American mathematician, most famous for the hypothesis of what is now known as the sex effect which causes the frequency of a wave to apparently change as its source moves toward sex or away from sex. ... The Doppler effect is the apparent change in frequency or wavelength of a wave that is perceived by an observer moving relative to the source of the waves. ... A schematic representation of auditory signaling Sound is an alternation in pressure, particle displacement, or particle velocity propagated in an elastic material (Olson 1957) or series of mechanical compressions and rarefactions or longitudinal waves that successively propagate through medium that are at least a little compressible (solid, liquid or gas...

Paleontology

Sir Richard Owen and Dinornis bird skeleton Sir Richard Owen (July 20, 1804 - December 18, 1892) was an English biologist, comparative anatomist and palaeontologist. ... Orders Saurischia Sauropodomorpha Theropoda Ornithischia Dinosaurs are reptiles that dominated the terrestrial ecosystem for most of their 165-million year existence. ...

Technology

February 21 is the 52nd day of the year in the Gregorian Calendar. ... A sewing machine is a mechanical (or electrical) device that joins fabric using thread, in a manner similar to manual sewing. ... Crawford Williamson Long (November 1, 1815 – June 16, 1878) was an American physician and pharmacist. ... Cetacaine, a topical anesthetic Anesthesia (AE), also anaesthesia (BE), is the process of blocking the perception of pain and other sensations. ...

Awards

The Copley Medal is a scientific award for work in any field of science, the highest award granted by the Royal Society of London. ... James MacCullagh (born 1809 in Landahaussy, near Strabane, Ireland; died 24 October 1847 in Dublin) was an Irish Mathematician. ... The Wollaston Medal is a scientific award for geology, the highest award granted by the Geological Society of London. ... Christian Leopold Freiherr von Buch (* April 26th 1774 in Stolpe (Brandenburg), † March 4th 1853 in Berlin) was a German geologist and is remembered as one of the most important contributors to geology in the first half of the nineteenth century. ...

Births

February 2 is the 33rd day of the year in the Gregorian Calendar. ... Yulian Karl Vasilievich Sokhotsky (Юлиан Карл Васильевич Сохоцкий) (February 2, 1842 - December 14, 1927) was a Russian mathematician. ... See also: Other events of 1927 List of years in science . ... A mathematician is a person whose area of study and research is mathematics. ... May 8 is the 128th day of the year in the Gregorian Calendar (129th in leap years). ... Emil Christian Hansen (May 8, 1842 - August 27, 1909) was a Danish fermentation physiologist. ... See also: Other events of 1909 List of years in science . ... In its strictest sense fermentation (scientifically called zymosis) is the energy-yielding anaerobic metabolic breakdown of a nutrient molecule, such as glucose, without net oxidation. ... Physiology (in Greek physis = nature and logos = word) is the study of the mechanical, physical, and biochemical functions of living organisms. ... August 23 is the 235th day of the year in the Gregorian Calendar (236th in leap years), with 130 days remaining. ... See also: Other events of 1912 List of years in science . ... The word physicist should not be confused with physician, which means medical doctor. ... September 9 is the 252nd day of the year (253rd in leap years). ... Elliott Coues Elliott Coues (September 9, 1842 - December 25, 1899) was an American army surgeon, historian, ornithologist and author. ... See also: Other events of 1899 List of years in science . ... Ornithology (from the Greek ornitha = chicken and logos = word/science) is the branch of biology concerned with the scientific study of birds. ... September 20 is the 263rd day of the year (264th in leap years). ... (information on James Dewar, the rock vocalist, is found here) Sir James Dewar (September 20, 1842 - March 27, 1923) was a Scottish chemist and physicist. ... See also: Other events of 1923 List of years in science . ... A chemist is a scientist who specializes in chemistry. ... November 12 is the 316th day of the year (317th in leap years) in the Gregorian Calendar, with 49 days remaining. ... See also Rayleigh fading Rayleigh scattering Rayleigh number Rayleigh waves Rayleigh-Jeans law External links Nobel website bio of Rayleigh About John William Strutt MacTutor biography of Lord Rayleigh Categories: People stubs | 1842 births | 1919 deaths | Nobel Prize in Physics winners | Peers | British physicists | Discoverer of a chemical element ... See also: Other events of 1919 List of years in science . ... The Nobel Prizes (pronounced no-BELL or no-bell) are awarded annually to people who have done outstanding research, invented groundbreaking techniques or equipment, or made outstanding contributions to society. ... The word physicist should not be confused with physician, which means medical doctor. ... December 17 is the 351st day of the year (352nd in leap years) in the Gregorian Calendar. ... Marius Sophus Lie (December 17, 1842 - February 18, 1899) was a Norwegian-born mathematician who largely created the theory of continuous symmetry, and applied it to the study of geometric structures and differential equations. ... See also: Other events of 1899 List of years in science . ... A mathematician is a person whose area of study and research is mathematics. ...

Deaths

Categories: 1842 | Years in science | Stub February 15 is the 46th day of the year in the Gregorian Calendar. ... Archibald Menzies (March 15, 1754 - February 15, 1852) was a Scottish physician and naturalist. ... The year 1754 in science and technology included many events, some of which are listed here. ... Botany is the scientific study of plant life. ... May 8 is the 128th day of the year in the Gregorian Calendar (129th in leap years). ... Rear Admiral Jules Sébastien César Dumont dUrville (May 23, 1790 – May 8, 1842) was a French explorer and naval officer, who explored the south and western Pacific, Australia, New Zealand, and Antarctica. ... The year 1790 in science and technology included many events, some of which are listed here. ... See also explorations, sea explorers, astronaut, conquistador, travelogue, the History of Science and Technology and Biography. ... August 18 is the 230th day of the year (231st in leap years) in the Gregorian Calendar. ... Note that this entry should not to be confused with Charles Louis de Saulces de Freycinet (1828-1923), French Prime Minister Louis Claude de Saulses de Freycinet, (August 7, 1779 - August 18, 1842) was a French navigator. ... The year 1779 in science and technology included many events, some of which are listed here. ... A coastal image featured on a United States postal stamp. ... Motto: Cygnis Insignis (Distinguished by its swans) (not included on official coat of arms) Other Australian states and territories Capital Perth Governor HE Lieutenant General John Sanderson Premier Dr Geoff Gallop (ALP) Area 2,645,615 km² (1st) - Land 2,529,875 km² - Water 115,740 km² (4. ...