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Hilding Köhler
Hilding Köhler (1888–1982) was a professor of meteorology at the University of Uppsala in Uppsala, Sweden who performed groundbreaking research in cloud physics. In particular, he performed both theoretical and experimental studies on the growth and condensation of water droplets on hygroscopic nuclei. One important and often quoted result of his theoretical research resulted in the well-known Köhler curve. He also made important contributions to theoretical studies on turbulence in the atmosphere. Early life Hilding Köhler was born in Tranemo in 1888, the son of Agnes Hulteni Fredrika Molander and Anders Leonard Köhler. His father was a school-teacher who was born Anders Leonard Johannisson, but changed his name to Köhler when attending the school-teacher seminar. The reason for this change is not known. The family moved to Borås in 1901 so that Hilding could attend the gymnasium there. He finished his studies at the "Latin-läroverket" in 1909. The same year he starte ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cloud Physics
Cloud physics is the study of the physical processes that lead to the formation, growth and precipitation of atmospheric clouds. These aerosols are found in the troposphere, stratosphere, and mesosphere, which collectively make up the greatest part of the homosphere. Clouds consist of microscopic droplets of liquid water (warm clouds), tiny crystals of ice (cold clouds), or both (mixed phase clouds). Cloud droplets initially form by the condensation of water vapor onto condensation nuclei when the supersaturation of air exceeds a critical value according to Köhler theory. Cloud condensation nuclei are necessary for cloud droplets formation because of the Kelvin effect, which describes the change in saturation vapor pressure due to a curved surface. At small radii, the amount of supersaturation needed for condensation to occur is so large, that it does not happen naturally. Raoult's law describes how the vapor pressure is dependent on the amount of solute in a solution. At ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1982 Deaths
__NOTOC__ Year 198 (CXCVIII) was a common year starting on Sunday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Sergius and Gallus (or, less frequently, year 951 ''Ab urbe condita''). The denomination 198 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years. Events By place Roman Empire *January 28 **Publius Septimius Geta, son of Septimius Severus, receives the title of Caesar. **Caracalla, son of Septimius Severus, is given the title of Augustus. China *Winter – Battle of Xiapi: The allied armies led by Cao Cao and Liu Bei defeat Lü Bu; afterward Cao Cao has him executed. By topic Religion * Marcus I succeeds Olympianus as Patriarch of Constantinople (until 211). Births * Lu Kai (or Jingfeng), Chinese official and general (d. 269) * Quan Cong, Chinese general and advisor (d ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1888 Births
In Germany, 1888 is known as the Year of the Three Emperors. Currently, it is the year that, when written in Roman numerals, has the most digits (13). The next year that also has 13 digits is the year 2388. The record will be surpassed as late as 2888, which has 14 digits. Events January–March * January 3 – The 91-centimeter telescope at Lick Observatory in California is first used. * January 12 – The Schoolhouse Blizzard hits Dakota Territory, the states of Montana, Minnesota, Nebraska, Kansas, and Texas, leaving 235 dead, many of them children on their way home from school. * January 13 – The National Geographic Society is founded in Washington, D.C. * January 21 – The Amateur Athletic Union is founded by William Buckingham Curtis in the United States. * January 26 – The Lawn Tennis Association is founded in England. * February 6 – Gillis Bildt becomes Prime Minister of Sweden (1888–1889). * February 27 – In West O ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nordstjärneorden
The Royal Order of the Polar Star (Swedish: ''Kungliga Nordstjärneorden'') is a Swedish order of chivalry created by King Frederick I on 23 February 1748, together with the Order of the Sword and the Order of the Seraphim. The Order of the Polar Star was until 1975 intended as a reward for Swedish and foreign "civic merits, for devotion to duty, for science, literary, learned and useful works and for new and beneficial institutions". Its motto is, as seen on the blue enameled centre of the badge, ''Nescit Occasum'', a Latin phrase meaning "It knows no decline". This is to represent that Sweden is as constant as a never setting star. The Order's colour is black. This was chosen so that when wearing the black sash, the white, blue and golden cross would stand out and shine as the light of enlightenment from the black surface. The choice of black for the Order's ribbon may also have been inspired by the black ribbon of the French Order of St. Michael, which at the time the O ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Royal Swedish Academy Of Sciences
The Royal Swedish Academy of Sciences ( sv, Kungliga Vetenskapsakademien) is one of the Swedish Royal Academies, royal academies of Sweden. Founded on 2 June 1739, it is an independent, non-governmental scientific organization that takes special responsibility for promoting natural sciences and mathematics and strengthening their influence in society, whilst endeavouring to promote the exchange of ideas between various disciplines. The goals of the academy are: * to be a forum where researchers meet across subject boundaries, * to offer a unique environment for research, * to provide support to younger researchers, * to reward outstanding research efforts, * to communicate internationally among scientists, * to advance the case for science within society and to influence research policy priorities * to stimulate interest in mathematics and science in school, and * to disseminate and popularize scientific information in various forms. Every year, the academy awards the Nobel Priz ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Anders Celsius
Anders Celsius (; 27 November 170125 April 1744) was a Swedish astronomer, physicist and mathematician. He was professor of astronomy at Uppsala University from 1730 to 1744, but traveled from 1732 to 1735 visiting notable observatories in Germany, Italy and France. He founded the Uppsala Astronomical Observatory in 1741, and in 1742 proposed (an inverted form of) the Centigrade temperature scale which was later renamed Celsius in his honour. Early life and education Anders Celsius was born in Uppsala, Sweden, on 27 November 1701. His family originated from Ovanåker in the province of Hälsingland. Their family estate was at ''Doma'', also known as ''Höjen'' or ''Högen'' (locally as ''Högen 2''). The name ''Celsius'' is a latinization of the estate's name (Latin ''celsus'' "mound"). As the son of an astronomy professor, Nils Celsius, nephew of botanist Olof Celsius and the grandson of the mathematician Magnus Celsius and the astronomer Anders Spole, Celsius chose a career i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tor Bergeron
Tor Bergeron (15 August 1891 – 13 June 1977) was a Sweden, Swedish meteorologist who proposed a mechanism for the formation of precipitation (meteorology), precipitation in clouds. In the 1930s, Bergeron and W. Findeisen developed the concept that clouds contain both supercooled water and ice crystals. According to Bergeron, most precipitation is formed as a consequence of water evaporating from small supercooled droplets and accreting onto ice crystals, which then fall as snow, or melt and fall as cold rain depending on the ambient air temperature. This process is known as the Bergeron Process, and is believed to be the primary process by which precipitation is formed. Bergeron was one of the principal scientists in the Bergen School of Meteorology, which transformed this science by introducing a new conceptual foundation for understanding and predicting weather. While developing innovative methods of forecasting, the Bergen scientists established the notion of weather fronts an ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Köhler Curve
Köhler is a German surname, referring to a man making charcoal from wood. Geographical distribution As of 2014, 96.2% of all known bearers of the surname ''Köhler'' were residents of Germany (frequency 1:641) and 1.5% of Austria (1:4,238). In Germany, the frequency of the surname was higher than national average (1:641) in the following states: * 1. Thuringia (1:230) * 2. Saxony (1:252) * 3. Saxony-Anhalt (1:349) * 4. Brandenburg (1:459) * 5. Hesse (1:507) * 6. Mecklenburg-Vorpommern (1:626) * 7. Berlin (1:638) People *Horst Köhler, real name of the singer Guildo Horn (born 1963) *Ilse Köhler, the maiden name of Ilse Koch, (1906–1967), Nazi war criminal *Alban Köhler (1874–1947), German radiologist. Born in Petsa (Thuringia), he discovered a rare foot disorder found in children which was named Köhler disease in his honour. He died in Niederselters *August Köhler (1866–1948), microscopist and inventor of the Köhler illumination *Axel Köhler (born 1959), German coun ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Filip Åkerblom
Filip () is a masculine given name and a surname, cognate to Philip. In Croatia, the name Filip was among the most common masculine given names in the 2000s. Notable people with the name include: ; Given name * Filip Barović (born 1990), Montenegrin basketball player * Filip Đorđević (born 1987), Serbian footballer * Filip Filipović (born 1987), Serbian water polo player, Olympic champion * Filip Hološko (born 1984), Slovak footballer * Filip Cristian Jianu (born 2001), Romanian tennis player * Filip Marković (born 1992), Serbian footballer * Filip Mișea (1873–1944), Aromanian activist, physician and politician * Filip Petrušev (born 2000), Serbian basketball player * Filip Ugran (born 2002), Romanian race car driver * Filip Verlinden (born 1982), Belgian kickboxer * Filip Višnjić (1757–1834), Bosnian Serb poet and guslar * Filip Zubčić (born 1993), Croatian alpine skier ; Surname * Miroslav Filip (1928–2009), Czech chess grandmaster * Ota Filip (1930-2018), ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
