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Rudolf Mentzel
Rudolf Mentzel PhD (28 April 1900 – 5 December 1987) was a German chemist and a National Socialist science policy-maker. An influential figure and one of the leading science administrators in Germany's nuclear energy project, Mentzel served as the scientific and technical adviser on the development of atomic bombs to the German government, and on some part, as the director of this program. Originally a National Socialist by political orientation, Mentzel served as one of the top leading science policy-makers to Adolf Hitler and his cabinet in his role as an undersecretary of the Reich Ministry of Education (REM) in the Office for Science. In the Kaiser Wilhelm Society, he was on the advisory board and, during World War II, Second Vice President of the Kaiser Wilhelm, supervising the clandestine research critical to develop the atomic bombs. During this period, his sphere of responsibility also momentarily grew and he soon was appointed as the president of the German Association ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Circa , a hotel in downtown Las Vegas
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Circa is a word of Latin origin meaning 'approximately'. Circa or CIRCA may also refer to: * CIRCA (art platform), art platform based in London * Circa (band), a progressive rock supergroup * Circa (company), an American skateboard footwear company * Circa (contemporary circus), an Australian contemporary circus company * Circa District, Abancay Province, Peru * Circa, a disc-binding notebook system * Circa Theatre, in Wellington, New Zealand * Clandestine Insurgent Rebel Clown Army, a UK activist group * Circa News, an online news and entertainment service * Circa Complex, twin skyscrapers in Los Angeles, California * ''Circa'' (album), an album by Michael Cain * Circa Resort & Casino Circa Resort & Casino is a casino and hotel resort in downtown Las Vegas, Nevada, on the Fremont Street Experience. The property was previously occupied by the Las Vegas Club hotel-casino, the Mermaids Casino, and the Glitter Gulch strip club. Ci ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nazi Government
The government of Nazi Germany was totalitarian, run by the Nazi Party in Germany according to the Führerprinzip through the dictatorship of Adolf Hitler. Nazi Germany began with the fact that the Enabling Act was enacted to give Hitler's government the power to make and enforce laws without the involvement of the Reichstag or president on 23 March 1933, and ended with the German surrender in World War II on 8 May 1945. As the successor to the government of the Weimar Republic, it inherited the government structure and institutions of the previous state. Although the Weimar Constitution technically remained in effect until Germany's surrender in 1945, there were no actual restraints on the exercise of state power. In addition to the already extant government of the Weimar Republic, the Nazi leadership created a large number of different organizations for the purpose of helping them govern and remain in power. They rearmed and strengthened the military, set up an extensive stat ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nationalsozialistische Deutsche Arbeiterpartei
The Nazi Party, officially the National Socialist German Workers' Party (german: Nationalsozialistische Deutsche Arbeiterpartei or NSDAP), was a far-right political party in Germany active between 1920 and 1945 that created and supported the ideology of Nazism. Its precursor, the German Workers' Party (; DAP), existed from 1919 to 1920. The Nazi Party emerged from the extremist German nationalist, racist and populist paramilitary culture, which fought against the communist uprisings in post–World War I Germany. The party was created to draw workers away from communism and into nationalism. Initially, Nazi political strategy focused on anti–big business, anti- bourgeois, and anti-capitalist rhetoric. This was later downplayed to gain the support of business leaders, and in the 1930s, the party's main focus shifted to antisemitic and anti-Marxist themes. The party had little popular support until the Great Depression. Pseudoscientific racist theories were ce ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Naphthalenes
Naphthalene is an organic compound with formula . It is the simplest polycyclic aromatic hydrocarbon, and is a white crystalline solid with a characteristic odor that is detectable at concentrations as low as 0.08 ppm by mass. As an aromatic hydrocarbon, naphthalene's structure consists of a fused pair of benzene rings. It is best known as the main ingredient of traditional mothballs. History In the early 1820s, two separate reports described a white solid with a pungent odor derived from the distillation of coal tar. In 1821, John Kidd cited these two disclosures and then described many of this substance's properties and the means of its production. He proposed the name ''naphthaline'', as it had been derived from a kind of naphtha (a broad term encompassing any volatile, flammable liquid hydrocarbon mixture, including coal tar). Naphthalene's chemical formula was determined by Michael Faraday in 1826. The structure of two fused benzene rings was proposed by Emil Erlenmeye ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Stereoisomerism
In stereochemistry, stereoisomerism, or spatial isomerism, is a form of isomerism in which molecules have the same molecular formula and sequence of bonded atoms (constitution), but differ in the three-dimensional orientations of their atoms in space. This contrasts with structural isomers, which share the same molecular formula, but the bond connections or their order differs. By definition, molecules that are stereoisomers of each other represent the same structural isomer. Enantiomers Enantiomers, also known as optical isomers, are two stereoisomers that are related to each other by a reflection: they are mirror images of each other that are non-superposable. Human hands are a macroscopic analog of this. Every stereogenic center in one has the opposite configuration in the other. Two compounds that are enantiomers of each other have the same physical properties, except for the direction in which they rotate polarized light and how they interact with different optical iso ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chemistry
Chemistry is the science, scientific study of the properties and behavior of matter. It is a natural science that covers the Chemical element, elements that make up matter to the chemical compound, compounds made of atoms, molecules and ions: their composition, structure, properties, behavior and the changes they undergo during a Chemical reaction, reaction with other Chemical substance, substances. Chemistry also addresses the nature of chemical bonds in chemical compounds. In the scope of its subject, chemistry occupies an intermediate position between physics and biology. It is sometimes called the central science because it provides a foundation for understanding both Basic research, basic and Applied science, applied scientific disciplines at a fundamental level. For example, chemistry explains aspects of plant growth (botany), the formation of igneous rocks (geology), how atmospheric ozone is formed and how environmental pollutants are degraded (ecology), the properties ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mathematics
Mathematics is an area of knowledge that includes the topics of numbers, formulas and related structures, shapes and the spaces in which they are contained, and quantities and their changes. These topics are represented in modern mathematics with the major subdisciplines of number theory, algebra, geometry, and analysis, respectively. There is no general consensus among mathematicians about a common definition for their academic discipline. Most mathematical activity involves the discovery of properties of abstract objects and the use of pure reason to prove them. These objects consist of either abstractions from nature orin modern mathematicsentities that are stipulated to have certain properties, called axioms. A ''proof'' consists of a succession of applications of deductive rules to already established results. These results include previously proved theorems, axioms, andin case of abstraction from naturesome basic properties that are considered true starting points of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bachelor Of Science
A Bachelor of Science (BS, BSc, SB, or ScB; from the Latin ') is a bachelor's degree awarded for programs that generally last three to five years. The first university to admit a student to the degree of Bachelor of Science was the University of London in 1860. In the United States, the Lawrence Scientific School first conferred the degree in 1851, followed by the University of Michigan in 1855. Nathaniel Southgate Shaler, who was Harvard's Dean of Sciences, wrote in a private letter that "the degree of Bachelor of Science came to be introduced into our system through the influence of Louis Agassiz, who had much to do in shaping the plans of this School." Whether Bachelor of Science or Bachelor of Arts degrees are awarded in particular subjects varies between universities. For example, an economics student may graduate as a Bachelor of Arts in one university but as a Bachelor of Science in another, and occasionally, both options are offered. Some universities follow the Oxford a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Allied-occupied Germany
Germany was already de facto occupied by the Allies from the real fall of Nazi Germany in World War II on 8 May 1945 to the establishment of the East Germany on 7 October 1949. The Allies (United States, United Kingdom, Soviet Union, and France) asserted joint authority and sovereignty at the 1945 Berlin Declaration. At first, defining Allied-occupied Germany as all territories of the former German Reich before Nazi annexing Austria; however later in the 1945 Potsdam Conference of Allies, the Potsdam Agreement decided the new German border as it stands today. Said border gave Poland and the Soviet Union all regions of Germany (eastern parts of Pomerania, Neumark, Posen-West Prussia, Free City of Danzig, East-Prussia & Silesia) east of the Oder–Neisse line and divided the remaining "Germany as a whole" into the four occupation zones for administrative purposes under the three Western Allies (the United States, the United Kingdom, and France) and the Soviet Union. Although the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
American Military Government In Bavaria
Germany was already de facto occupied by the Allies from the real fall of Nazi Germany in World War II on 8 May 1945 to the establishment of the East Germany on 7 October 1949. The Allies (United States, United Kingdom, Soviet Union, and France) asserted joint authority and sovereignty at the 1945 Berlin Declaration. At first, defining Allied-occupied Germany as all territories of the former German Reich before Nazi annexing Austria; however later in the 1945 Potsdam Conference of Allies, the Potsdam Agreement decided the new German border as it stands today. Said border gave Poland and the Soviet Union all regions of Germany (eastern parts of Pomerania, Neumark, Posen-West Prussia, Free City of Danzig, East-Prussia & Silesia) east of the Oder–Neisse line and divided the remaining "Germany as a whole" into the four occupation zones for administrative purposes under the three Western Allies (the United States, the United Kingdom, and France) and the Soviet Union. Although the t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Notgemeinschaft Der Deutschen Wissenschaft
The ''Notgemeinschaft der Deutschen Wissenschaft'' (Emergency Association of German Science) or NG was founded on 30 October 1920 on the initiative of leading members of the ''Preußische Akademie der Wissenschaften'' (Prussian Academy of Sciences, PAW) – Fritz Haber, Max Planck, and Ernst von Harnack – and former Prussian Minister of Culture Friedrich Schmidt-Ott. Physicist Heinrich Konen, involved in founding and building the organization due to his relationship with Schmidt-Ott, became a long-standing member of its executive committee. Member institutions of the NG included all German universities, all polytechnics (''Technische Hochschulen''), the five German Academies of Science, and the Kaiser-Wilhelm Gesellschaft. In 1929, the NG was renamed the ''Deutsche Gemeinschaft zur Erhaltung und Förderung der Forschung'' (German Association for the Support and Advancement of Scientific Research); also known in short as the ''Deutsche Forschungsgemeinschaft'' (DFG). Until ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
World War II
World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposing military alliances: the Allies and the Axis powers. World War II was a total war that directly involved more than 100 million personnel from more than 30 countries. The major participants in the war threw their entire economic, industrial, and scientific capabilities behind the war effort, blurring the distinction between civilian and military resources. Aircraft played a major role in the conflict, enabling the strategic bombing of population centres and deploying the only two nuclear weapons ever used in war. World War II was by far the deadliest conflict in human history; it resulted in 70 to 85 million fatalities, mostly among civilians. Tens of millions died due to genocides (including the Holocaust), starvation, ma ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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