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Nicolae Vasilescu-Karpen
Nicolae Vasilescu Karpen (December 10 (O.S.)/December 22 (N.S.), 1870, Craiova – March 2, 1964, Bucharest) was a Romanian engineer and physicist, who worked in telegraphy and telephony and had achievements in mechanical engineering, elasticity, thermodynamics, long-distance telephony, electrochemistry, and civil engineering. Academia RPR, ''Dicționar Enciclopedic Român'', București: Editura Politică, 1962-1966 ''Personalități românești ale științelor naturii și tehnicii - Dicționar'', București: Editura Științifică și Enciclopedică, 1982, pp. 400-401 Life After studying at the Carol I High School in Craiova, he went to the School of Bridges, Roads and Mines in Bucharest. Mihai Olteneanu''Nicolae Vasilescu - Karpen 1870 - 1964'', ''Univers Ingineresc'', anul XVIII, Nr 1 (335) 1-16 ianuarie 2005, access-date 2011-06-05 After graduating in 1891, he worked as a civil engineer for three years. He went to France to study physics at the University of Paris. In 19 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nicolae Vasilescu-Karpen
Nicolae Vasilescu Karpen (December 10 (O.S.)/December 22 (N.S.), 1870, Craiova – March 2, 1964, Bucharest) was a Romanian engineer and physicist, who worked in telegraphy and telephony and had achievements in mechanical engineering, elasticity, thermodynamics, long-distance telephony, electrochemistry, and civil engineering. Academia RPR, ''Dicționar Enciclopedic Român'', București: Editura Politică, 1962-1966 ''Personalități românești ale științelor naturii și tehnicii - Dicționar'', București: Editura Științifică și Enciclopedică, 1982, pp. 400-401 Life After studying at the Carol I High School in Craiova, he went to the School of Bridges, Roads and Mines in Bucharest. Mihai Olteneanu''Nicolae Vasilescu - Karpen 1870 - 1964'', ''Univers Ingineresc'', anul XVIII, Nr 1 (335) 1-16 ianuarie 2005, access-date 2011-06-05 After graduating in 1891, he worked as a civil engineer for three years. He went to France to study physics at the University of Paris. In 19 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Romanian Academy
The Romanian Academy ( ro, Academia Română ) is a cultural forum founded in Bucharest, Romania, in 1866. It covers the scientific, artistic and literary domains. The academy has 181 active members who are elected for life. According to its bylaws, the academy's main goals are the cultivation of Romanian language and Romanian literature, the study of the national history of Romania and research into major scientific domains. Some of the academy's fundamental projects are the Romanian language dictionary (''Dicționarul explicativ al limbii române''), the dictionary of Romanian literature, and the treatise on the history of the Romanian people. History On the initiative of C. A. Rosetti, the Academy was founded on April 1, 1866, as ''Societatea Literară Română''. The founding members were illustrious members of the Romanian society of the age. The name changed to ''Societatea Academică Romînă'' in 1867, and finally to ''Academia Română'' in 1879, during the reign of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Romanian Scientists
Romanian may refer to: *anything of, from, or related to the country and nation of Romania **Romanians, an ethnic group **Romanian language, a Romance language ***Romanian dialects, variants of the Romanian language **Romanian cuisine, traditional foods ** Romanian folklore *Romanian (stage), a stage in the Paratethys The Paratethys sea, Paratethys ocean, Paratethys realm or just Paratethys was a large shallow inland sea that stretched from the region north of the Alps over Central Europe to the Aral Sea in Central Asia. Paratethys was peculiar due to its p ... stratigraphy of Central and Eastern Europe *'' The Romanian'' newspaper *'' The Romanian: Story of an Obsession'', a 2004 novel by Bruce Benderson * * {{disambiguation Language and nationality disambiguation pages ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
People From Craiova
A person ( : people) is a being that has certain capacities or attributes such as reason, morality, consciousness or self-consciousness, and being a part of a culturally established form of social relations such as kinship, ownership of property, or legal responsibility. The defining features of personhood and, consequently, what makes a person count as a person, differ widely among cultures and contexts. In addition to the question of personhood, of what makes a being count as a person to begin with, there are further questions about personal identity and self: both about what makes any particular person that particular person instead of another, and about what makes a person at one time the same person as they were or will be at another time despite any intervening changes. The plural form "people" is often used to refer to an entire nation or ethnic group (as in "a people"), and this was the original meaning of the word; it subsequently acquired its use as a plural form of per ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Romanian Inventors
Romanian may refer to: *anything of, from, or related to the country and nation of Romania **Romanians, an ethnic group **Romanian language, a Romance language ***Romanian dialects, variants of the Romanian language **Romanian cuisine, traditional foods **Folklore of Romania, Romanian folklore *Romanian (stage), a stage in the Paratethys stratigraphy of Central and Eastern Europe *''Românul, The Romanian'' newspaper *''The Romanian: Story of an Obsession'', a 2004 novel by Bruce Benderson * * {{disambiguation Language and nationality disambiguation pages ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ziua
''Ziua'' (''The Day'' in Romanian) was a major Romanian daily newspaper published in Bucharest. It was published in Romanian with a fairly sizeable and often informative English section. ''Ziua'' was founded in 1994 by Sorin Roşca Stănescu, eventually becoming foreign-owned. It was the most conservative of the major Romanian dailies, often taking a Christian-nationalist point of view in its opinion pieces. The Internet site of the paper, in addition to featuring almost all the contents of the Romanian edition, featured a daily selection of articles translated into English. Moreover, Ziua's website featured one of the most complete free online newspaper archives in Romania, stretching back to January 1998. There used to be several regional editions of the paper, including ''Ziua de Vest'', ''Ziua de Iaşi'', ''Ziua de Constanţa'', and ''Ziua de Cluj ; hu, kincses város) , official_name=Cluj-Napoca , native_name= , image_skyline= , subdivision_type1 = Counties of Romani ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Remus Răduleț
Remus Răduleț (May 3, 1904–February 6, 1984) was a Romanian electrical engineer, who contributed to the development of the International Electrotechnical Vocabulary and theoretical electrotechnology.IEC webpage He was a titular member of the Romanian Academy and served as president of the International Electrotechnical Commission from 1964 to 1967. Biography He was born in 1904 in Brădeni (then in Austria-Hungary, now in Sibiu County, Romania), the son of the priest Vasile Răduleț and his wife, Ana Răduleț. He attended elementary school in Recea, Brașov, Berivoi and Sighișoara, and then studied at Radu Negru National College, Radu Negru High School in Făgăraș from 1919 to 1923. He studied electromechanics, electromechanical engineering at the Politehnica University of Timișoara, then at ETH Zurich. He coordinated the writing of the Romanian Technical Lexicon, a vast multilingual technical encyclopedia. This activity enabled him to contribute to the international stand ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pitch Drop Experiment
A pitch drop experiment is a long-term experiment which measures the flow of a piece of pitch over many years. 'Pitch' is the name for any of a number of highly viscous liquids which appear solid, most commonly bitumen, also known as asphalt. At room temperature, tar pitch flows at a very low rate, taking several years to form a single drop. University of Queensland experiment The best-known version of the experiment was started in 1927 by Professor Thomas Parnell of the University of Queensland in Brisbane, Australia, to demonstrate to students that some substances which appear solid are highly viscous fluids. Parnell poured a heated sample of the pitch into a sealed funnel and allowed it to settle for three years. In 1930, the seal at the neck of the funnel was cut, allowing the pitch to start flowing. A glass dome covers the funnel and it is placed on display outside a lecture theatre. Large droplets form and fall over a period of about a decade. The seventh drop fell at ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Beverly Clock
The Beverly Clock is a clock in the 3rd-floor lift foyer of the Department of Physics at the University of Otago, Dunedin, New Zealand. The clock is still running despite never having been manually wound since its construction in 1864 by Arthur Beverly. Operation The clock's mechanism is driven by variations in atmospheric pressure, and by daily temperature variations; of the two, temperature variations are more important. Either causes the air in a airtight box to expand or contract, which pushes on a diaphragm. A temperature variation of over the course of each day creates approximately enough pressure to raise a one- pound weight by one inch (equivalent to ), which drives the clock mechanism. A similar mechanism in a commercially available clock that operates on the same principle is the Atmos clock, manufactured by the Swiss watchmaker Jaeger-LeCoultre. While the clock has not been wound since it was made, it has stopped on a number of occasions, such as when its mechan ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Oxford Electric Bell
The Oxford Electric Bell or Clarendon Dry Pile is an experimental electric bell, in particular a type of bell that uses the electrostatic clock principle that was set up in 1840 and which has run nearly continuously ever since. It was one of the first pieces purchased for a collection of apparatus by clergyman and physicist Robert Walker. It is located in a corridor adjacent to the foyer of the Clarendon Laboratory at the University of Oxford, England, and is still ringing, albeit inaudibly due to being behind two layers of glass. Design The experiment consists of two brass bells, each positioned beneath a dry pile (a form of battery), the pair of piles connected in series, giving the bells opposite electric charges. The clapper is a metal sphere approximately in diameter suspended between the piles, which rings the bells alternately due to electrostatic force. When the clapper touches one bell, it is charged by that pile. It is then repelled from that bell due to having the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Second Law Of Thermodynamics
The second law of thermodynamics is a physical law based on universal experience concerning heat and Energy transformation, energy interconversions. One simple statement of the law is that heat always moves from hotter objects to colder objects (or "downhill"), unless energy in some form is supplied to reverse the direction of heat flow. Another definition is: "Not all heat energy can be converted into Work (thermodynamics), work in a cyclic process."Young, H. D; Freedman, R. A. (2004). ''University Physics'', 11th edition. Pearson. p. 764. The second law of thermodynamics in other versions establishes the concept of entropy as a physical property of a thermodynamic system. It can be used to predict whether processes are forbidden despite obeying the requirement of conservation of energy as expressed in the first law of thermodynamics and provides necessary criteria for spontaneous processes. The second law may be formulated by the observation that the entropy of isolated systems ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Perpetual Motion
Perpetual motion is the motion of bodies that continues forever in an unperturbed system. A perpetual motion machine is a hypothetical machine that can do work infinitely without an external energy source. This kind of machine is impossible, as it would violate either the first law of thermodynamics, first or second law of thermodynamics or both. These laws of thermodynamics apply regardless of the size of the system. For example, the motions and rotations of celestial bodies such as planets may appear perpetual, but are actually subject to many processes that slowly dissipate their kinetic energy, such as solar wind, interstellar medium resistance, gravitational radiation and thermal radiation, so they will not keep moving forever. Thus, machines that extract energy from finite sources will not operate indefinitely, because they are driven by the energy stored in the source, which will eventually be exhausted. A common example is devices powered by ocean currents, whose energ ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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