The Newman Penrose Formalism is a set of notation developed by Ezra T. Newman and Roger Penrose ref cite journal author Ezra T. Newman and Roger Penrose title An Approach to Gravitational Radiation by a Method of Spin Coefficients journal Journal of Mathematical Physics year 1962 volume 3 issue 3 pages 566 768 doi 10.1063 1.1724257 bibcode 1962JMP.....3..566N The original paper by Newman and Penrose, which introduces the formalism, and uses it to derive example results. ref for General Relativity . Their notation is an effort to treat General Relativity in terms of spinor notation, which introduces complex number complex forms of the usual variables used in GR. The NP formalism is itself a special case of the tetrad formalism , where the tensors of the theory are projected onto a complete vector basis at each point in spacetime. Usually this vector basis is chosen to reflect some symmetry ... formalism, the vector basis chosen is a null tetrad a set of four null vectors two real, and a complex ..., and the formalism is well adapted to treatment of the propagation of radiation in curved spacetime. The most often used variables in the formalism are the Weyl scalars , derived from the Weyl tensor ... volume 185 pages 635 647 doi 10.1086 152444 bibcode 1973ApJ...185..635T ref Notation The formalism ... spacetimes or vacuum spacetimes the Newman Penrose formalism simplifies dramatically, as many of the functions ... from a finite source Using the wave generation formalism summarised by Thorne, ref cite journal title .....299T A broad summary of the mathematical formalism used in the literature on gravitational radiation ... Penrose formalism in terms of more modern spinor notation. cite book author S. W. Hawking ... year 1973 isbn 0 226 87033 2 Hawking and Ellis use the formalism in their discussion of the final state of a collapsing star. External links http www.scholarpedia.org article Spin coefficient formalism Newman Penrose formalism on Scholarpedia DEFAULTSORT Newman Penrose Formalism Category Theory ... more details
The Press Schechter formalism is a mathematical model for predicting the number of objects such as galaxies or galaxy clusters of a certain mass within a given volume of the Universe. It was described in a famous research paper paper by William H. Press and Paul L. Schechter Paul Schechter in 1974. ref http adsabs.harvard.edu abs 1974ApJ...187..425P Formation of Galaxies and Clusters of Galaxies by Self Similar Gravitational Condensation , W.H. Press, P. Schechter, 1974 ref . Background In the context of Dark matter cold dark matter cosmological models, perturbations on all scales are imprinted on the universe at very early times, for example by quantum fluctuations during an Inflationary cosmology inflationary era . Later, as radiation redshifts away, these become mass perturbations, and they start to grow linearly. Only long after that, starting with small mass scales and advancing over time to larger mass scales, do the perturbations actually collapse to form for example galaxies or clusters of galaxies, in so called hierarchical structure formation see Physical cosmology . Press and Schechter observed that the fraction of mass in collapsed objects more massive than some mass M is related to the fraction of volume samples in which the smoothed initial density fluctuations are above some density threshold. This yields a formula for the mass function distribution of masses of objects at any given time. Result The Press Schechter formalism predicts that the number of objects with mass between math M math and math M dM math is math N M dM frac 1 2 sqrt pi left 1 frac n 3 right frac bar rho M 2 left frac M M right left 3 n right 6 exp left left frac M M right left 3 n right 3 right math where math bar rho math is the mean baryonic and dark matter density of the universe, math n math is the index of the power spectrum of the fluctuations in the early universe math P k propto ... luminosity functions. The Press Schechter formalism provided the first quantitative model ... more details
The two state vector formalism TSVF is description of quantum mechanics in terms of a causality causal relation in which the present is caused by quantum states of the past and of the future taken in combination. Theory The foundations for the two state vector formalism were laid by Yakir Aharonov , Peter Bergmann and Joel Lebowitz in 1964, who considered measurements that were performed between other measurements, the results of which were known. ref Yakir Aharonov, Lev Vaidman Protective measurements of two state vectors , in Robert Sonn Cohen, Michael Horne, John J. Stachel eds. Potentiality, Entanglement and Passion At A Distance , Quantum Mechanical Studies for A. M. Shimony, Volume Two, 1997, ISBN 978 0792344537, pp. 1 8, http books.google.com books?id DsNoIcQemTsC&pg PA2 p. 2 ref Conventional prediction , as well as retrodiction , can be obtained formally by separating out the initial conditions or, conversely, the final conditions by performing sequences of coherence destroying operations, thereby cancelling out the influence of the two state vectors. ref Yakir Aharonov, Peter G. Bergmann, Joel L. Lebowitz Time symmetry in the quantum process of measurement , Physical Review B., vol. 134, no. 6, pp. 1410 1416, 1964 ref The two state vector is represented by Equation box 1 indent equation math langle Phi Psi rangle math cellpadding border border colour 50C878 background colour ECFCF4 where the state math langle Phi math evolves backwards from the future ... when the electron passes the slits. The two state vector formalism provides a time symmetric description ... Vaidman The Two State Vector Formalism of Quantum Mechanics an Updated Review . In Juan Gonzalo Muga ... formalism has similarities with the transactional interpretation of quantum mechanics proposed ... The Two State Vector Formalism of Quantum Mechanics an Updated Review . In Juan Gonzalo Muga, Rafael ... of 10 Jun 2007 Lev Vaidman The Two State Vector Formalism , http arxiv.org abs 0706.1347v1 arXiv ... more details
In theoretical physics , the Batalin&ndash Vilkovisky BV formalism named for Igor Batalin and Grigori Vilkovisky was developed as a method for determining the Faddeev&ndash Popov ghost ghost structure for Lagrangian gauge theories , such as gravity and supergravity , whose corresponding Hamiltonian formalism Hamiltonian formulation has constraints not related to a Lie algebra i.e., the role of Lie algebra structure constants are played by more general structure functions . The BV formalism, based on an Action physics action that contains both Field physics fields and antifields , can be thought of as a vast generalization of the original BRST formalism for Yang Mills theory pure Yang&ndash Mills theory to an arbitrary Lagrangian gauge theory. Other names for the Batalin&ndash Vilkovisky formalism are field antifield formalism , Lagrangian BRST formalism , or BV BRST formalism . It should not be confused with the Batalin&ndash Fradkin&ndash Vilkovisky formalism Batalin&ndash Fradkin&ndash Vilkovisky BFV formalism , which is the Hamiltonian counterpart. Batalin&ndash Vilkovisky algebras In mathematics, a Batalin&ndash Vilkovisky algebra is a Graded algebra graded supercommutative algebra with a unit 1 with a second order nilpotent operator of degree &minus 1. More precisely, it satisfies the identities ab a b The product has degree 0 a a &minus 1 has degree &minus 1 ab c a bc The product is associative ab &minus 1 sup a b sup ba The product is super commutative sup 2 sup 0 Nilpotency of order 2 abc &minus ab c &minus &minus 1 sup a sup a bc &minus &minus 1 sup a 1 b sup b ac a bc &minus 1 sup a sup a b c &minus 1 sup a b sup ab c &minus ... also BRST formalism BRST quantization Gerstenhaber algebra Supermanifold Analysis of flows References ... New York publisher Cambridge Univ. Press isbn 0521670543 DEFAULTSORT Batalin Vilkovisky Formalism ... more details
In quantum field theory , the Gupta Bleuler formalism is a way of quantization physics quantizing the electromagnetic field . The formulation is due to theoretical physicist Suraj N. Gupta and Konrad Bleuler . Let s start with a single photon first. A basis linear algebra basis of the one photon vector space we ll explain why it s not a Hilbert space below is given by the eigenstate s k,&epsilon sub &mu sub &rang where k, the 4 momentum is null vector null k sup 2 sup 0 and the k sub 0 sub component, the energy, is positive and &epsilon sub &mu sub is the unit polarization vector and the index &mu ranges from 0 to 3. So, k is uniquely determined by the spatial momentum math vec k math . Using the bra ket notation , we equip this space with a sesquilinear form defined by math langle vec k a epsilon mu vec k b epsilon nu rangle eta mu nu 1 over 2 vec k a delta vec k a vec k b math where the math 1 over 2 vec k a math factor is to implement Lorentz covariance . We are using the metric signature here. However, this sesquilinear form gives positive norms for spatial polarizations but negative norms for timelike polarizations. Negative probabilities are unphysical. Not to mention a physical photon only has two transverse wave transverse polarizations, not four. If we include gauge covariance, we realize a photon can have three possible polarizations two transverse and one longitudinal i.e. parallel to the 4 momentum . This is given by the restriction math k cdot epsilon 0 math . However, the longitudinal component is merely unphysical gauge. While it would be nice to define a stricter restriction than the one given above which only leaves us with the two transverse components, it s easy to check that this can t be defined in a Lorentz covariant manner because what is transverse ... satisfies the free wave equation. See also BRST formalism quantum gauge theory quantum electrodynamics ... Gupta Bleuler Formalism ... more details
General relativity cTopic Equations Post Newtonian formalism is a calculational tool that expresses Einstein s nonlinear equations of gravity in terms of the lowest order deviations from Newton s theory. This allows approximations to Einstein s equations to be made in the case of weak fields. Higher order terms can be added to increase accuracy, but for strong fields sometimes it is preferable to solve the complete equations numerically. Some of these post Newtonian approximations are expansions in a small parameter, which is the ratio of the velocity of the matter forming the gravitational field to the speed of light, which in this case is better called the speed of gravity. In the limit, when the fundamental speed of gravity becomes infinite, the post Newtonian expansion reduces to Newton s law of gravity. The parameterized post Newtonian formalism or PPN formalism is a version of this formulation that explicitly details the parameters in which a general theory of gravity can differ from Newtonian gravity. It is used as a tool to compare Newtonian and Einsteinian gravity in the limit in which the gravitational field is weak and generated by objects moving slowly compared to the speed of light . In general, PPN formalism can be applied to all metric theories of gravitation in which all bodies satisfy the Einstein equivalence principle EEP . The speed of light remains constant in PPN formalism and it assumes that the Metric tensor general relativity metric tensor is always symmetric. History The earliest parameterizations of the post Newtonian approximation were performed by Sir ... of the theory. The formalism has been a valuable tool in tests of general relativity . In the notation ... of applying PPN formalism to alternative theories of gravity can be found in Will 1981, 1993 ... post Newtonian formalism Alpha zeta notation PPN with alpha zeta parameters , read off the PPN parameter ... Formalism deductive Category General relativity fr Th orie PPN it Formalismo post newtoniano ... more details
Refimprove date May 2007 Context date October 2009 Merge to tetrad formalism date September 2011 This page covers applications of the Cartan formalism . For the general concept see Cartan connection . The vierbein or tetrad theory much used in theoretical physics is a special case of the application of Cartan connection in four dimensional manifold s. It applies to metrics of any signature. See Metric mathematics . This section is an approach to tetrads, but written in general terms. In dimensions other than 4, words like triad , pentad , zweibein , f nfbein , elfbein etc. have been used. Vielbein covers all dimensions. In German, vier stands for four and viel stands for many. If you are looking for a basis dependent index notation, see tetrad index notation . The basic ingredients Suppose we are working on a differential manifold M of dimension n , and have fixed natural numbers p and q with p q n . Furthermore, we assume that we are given a generalized special orthogonal group SO p , q principal bundle B over M and a vector bundle SO p , q vector bundle V associated to B by means of the natural n dimensional representations of Lie groups algebras representation of SO p , q . Equivalently, V is a rank n real vector bundle over M , equipped with a Metric mathematics metric with metric signature signature p , q aka non degenerate quadratic form . ref name spin p,q A variant of the construction uses reduction to a spin group Spin p , q principal spin bundle . In that case, the principal bundle contains more information than the bundle V together with the metric , which is needed to construct spinor ial fields. ref The basic ingredient of the Cartan formalism is an invertible linear map math e colon rm T M to V math , between vector bundle s over M where T M is the tangent bundle of M . The invertibility condition on e is sometimes dropped. In particular ... torsion . See Einstein Cartan theory . Notes references DEFAULTSORT Cartan Formalism Physics Category ... more details
In the theory of quantum communication , the entanglement assisted stabilizer formalism is a method for protecting quantum information with the help of entanglement shared between a sender and receiver before they transmit quantum data over a quantum communication channel. It extends the standard stabilizer formalism by including quantum entanglement shared entanglement Brun et al. 2006 . The advantage of entanglement assisted stabilizer codes is that the sender can exploit the error correcting properties of an arbitrary set of Pauli operator s. The sender s Pauli operator s do not necessarily have to form an abelian subgroup of the Pauli group math Pi n math over math n math qubit s. The sender can make clever use of her shared quantum entanglement ebit s so that the global stabilizer is abelian and thus forms a valid quantum error correcting code . Definition We review the construction of an entanglement assisted code Brun et al. 2006 . Suppose that there is a nonabelian subgroup math mathcal S subset Pi n math of size math n k 2c s math . Application of the fundamental theorem of symplectic geometry Lemma 1 in the first external reference states that there exists a minimal set of independent generators math left bar Z 1 , ldots, bar Z s c , bar X s 1 , ldots, bar X s c right math for math mathcal S math with the following Commutativity commutation relations math left bar Z i , bar Z j right 0 forall i,j, math math left bar X i , bar X j right 0 forall i,j, math math left bar X i , bar Z j right 0 forall i neq j, math math left bar X i , bar Z i right 0 forall i. math The decomposition of math mathcal S math into the above minimal generating set determines that the code requires math s math ancilla qubits and math c math Bell state ebit s. The code requires an Bell state ebit for every anticommuting pair in the minimal generating set. The simple reason for this requirement ... stabilizer formalism. An entanglement assisted code corrects errors in a set math mathcal E ... more details
Or see Scientific terminology . In computer programming , a scientific language is a programming language optimized for the use of mathematical formula s and matrix mathematics matrices . Though these functions can be performed using any language, they are more easily expressed in scientific languages. Scientific languages include ALGOL , FORTRAN , and APL programming language APL . Scientific language must be grammatically correct giving an concise and correct information. References http www.pcmag.com encyclopedia term 0,2542,t scientific language&i 50874,00.asp Category Programming paradigms Compu lang stub ... more details
Scientific philosophy may refer to Logical empiricism Experimental philosophy For philosophical issues raised by science, see philosophy of science . disambig ... more details
Barloworld Scientific Ltd. was the of United Kingdom UK s largest manufacturer s of scientific equipment and laboratory supplies. In 2007, the company was purchased by Nova Capital Ltd and now trades under the names SciLabware Limited glassware , and reusable plastics , Bibby Scientific benchtop scientific equipment , Bibby Sterlin Ltd. single use disposable plasticware and Carbolite furnaces , ovens & Incubator culture incubators . External links http www.Barloworld Scientific.com Company website http www.Carbolite.com Carbolite website http www.bibby scientific.com Bibby Scientific website http www.scilabware.com SciLabware Limited website Category Technology companies of the United Kingdom Category Research support companies Category Laboratory equipment manufacturers UK company stub fi Barloworld Scientific ... more details
Unreferenced date January 2009 Liberalism sidebar Scientific politics was a late 19th century political theory based on the positivism positivist philosophy of Auguste Comte . Proponents of scientific politics advocated a society and political system that was to be organized in accordance with the laws of nature. Scientific politics was considered to be a sort of liberalism , more specifically conservative liberalism . Proponents of scientific politics rejected liberal jacobinism , and sought to replace revolution with evolution . They rejected classical liberal notions like individual rights , natural law and constitutionalism as metaphysics metaphysical and disruptive to social and political evolution. They were willing to sacrifice political liberties such as universal suffrage in order to foster Social order order and social and political progress, which were considered prerequisites for the existence of liberty . Nonetheless proponents of scientific politics didn t consider themselves to be opponents of liberalism, but rather its heirs. They shared the liberal views in support of republicanism , secularism and the importance of progress. Some, but not all, proponents of scientific politics also espoused social darwinism . Most proponents of scientific politics could be found in France , Spain and Latin America . The rule of Porfirio D az in Mexico and Juan Vicente G mez in Venezuela was justified by their supporters using the theories of scientific politics. The national motto of Brazil , Order and Progress Ordem e Progresso , was one of the main adages of scientific politics. DEFAULTSORT Scientific Politics Category Political theories Poli stub ... more details
Unreferenced stub auto yes date December 2009 Infobox Magazine title The Scientific Monthly image file Scientific Monthly Oct 1915 Cover.png image size image caption First issue, October 1915 editor James McKeen Cattell frequency Monthly category Science company The Science Press publisher James McKeen Cattell firstdate October 1915 finaldate 1957 country USA language English Scientific Monthly was a science magazine published from 1915 to 1957. Psychologist James McKeen Cattell was the original founder and editor. In 1957 Scientific Monthly was absorbed by Science journal Science . DEFAULTSORT Scientific Monthly Category Monthly magazines Category Publications established in 1915 Category Publications disestablished in 1957 Sci mag stub ... more details
Infobox OS name Scientific Linux logo Image Scientific linux logo.svg 100px Scientific Linux logo screenshot Image ScientificLinux60.png 250px caption Scientific Linux 6.0 s default GNOME desktop collapsible yes developer Fermilab Fermi National Accelerator Laboratory CERN European Organization for Nuclear Research CERN family Unix like source model Free and open source software released 10 May 2004 latest release version 6.2, 5.8 latest release date release date 2012 02 15 , release date 2012 04 24 marketing target Scientific purpose High Performance Computing Server computing Server s Desktop computer Desktop s Citation needed date July 2010 kernel type Monolithic kernel Monolithic Linux kernel ... updatemodel Yellow dog Updater, Modified Yum PackageKit Scientific Linux SL is a Linux distribution ... www.scientificlinux.org documentation faq general1 Scientific Linux General Questions about Scientific ... and initial release. The first official release was on May 10, 2004. At the release of Scientific Linux 3.0.1, CERN joined in the collaboration and became co developers of Scientific Linux. The name Scientific Linux is actually a misnomer , in that it does not contain scientific software and was named instead for the labs that make it. Release history Historical releases of Scientific Linux are the following ... roadmap class wikitable Scientific Linux Release Architectures RHEL base Scientific Linux release ... distribution on which Scientific Linux is based CentOS , another distribution based on Red Hat Enterprise ... cluster computing cluster s. References references External links https www.scientificlinux.org Scientific Linux Homepage DistroWatch scientific NAME Scientific Linux http linux.web.cern.ch linux CERN ... software ar cs Scientific Linux de Scientific Linux es Scientific Linux fr Scientific Linux it Scientific Linux hu Scientific Linux nl Scientific Linux ja Scientific Linux pl Scientific Linux ro Scientific Linux ru Scientific Linux sv Scientific Linux tr Scientific linux zh Scientific Linux ... more details
Infobox company company name Boston Scientific company logo Image Bostonscientificlogo.png 150px company ... small ref name 2010IncomeStatmenent wikinvest stock Boston Scientific BSX Data Income Statement Boston Scientific BSX annual SEC income statement filing via Wikinvest. ref operating income loss United ... US 22.1B small FY 2010 small ref name 2010BalanceSheet wikinvest stock Boston Scientific BSX Data Balance Sheet Boston Scientific BSX annual SEC balance sheet filing via Wikinvest. ref equity decrease ... www.bostonscientific.com The Boston Scientific Corporation nyse BSX abbreviated ... , vascular surgery , endoscopy , oncology , urology and gynecology . Boston Scientific is well known .... Boston Scientific s main competitors are Johnson & Johnson , Medtronic , and St. Jude Medical . On April ... of Boston Scientific publisher Associated Press date January 25, 2006 url http www.msnbc.msn.com id 11018335 accessdate 2008 02 11 ref ref cite web title Boston Scientific Completes Combination with Guidant ... 2008 02 11 Boston Scientific s press release on the acquisition. ref Navilyst Medical was formed in February 2008 from Boston Scientific s Fluid Management and Vascular Access business units. ref cite web title Boston Scientific Spin off Aiming to Tap Veins Without Causing Infections date August 5, 2008 url http www.xconomy.com boston 2008 08 05 navilyst medical boston scientific spin off aiming ... , 14 August 2011, p. 1. ref Notes reflist External links http www.bostonscientific.com Boston Scientific official web site . http biz.yahoo.com ic 15 15683.html Yahoo Boston Scientific Corporation Company Profile . http www.gstock.com quote bsx.html Boston Scientific stock performance chart from GStock http www.boston.com business globe articles 2005 05 17 gamble wins big at boston scientific stent maker soars despite major recall Gamble wins big at Boston Scientific , boston.com. Category Manufacturing ... companies of the United States Category Natick, Massachusetts de Boston Scientific it Boston Scientific ... more details
The Scientific Activist is a blog that covers science , politics , and science policy, run by Nick Anthis , a graduate student in biochemistry and Rhodes Scholar at the University of Oxford . The Scientific Activist gained international recognition in February 2006 when it published information that led to the immediate resignation of George W. Bush administration Bush Administration NASA appointee George Deutsch . ref name deutsch post Nick Anthis, http scientificactivist.blogspot.com 2006 02 breaking news george deutsch did not.html Breaking News George Deutsch Did Not Graduate from Texas A&M University , The Scientific Activist , February 6, 2006 ref ref name NYT Andrew C. Revkin, http www.nytimes.com 2006 02 08 politics 08nasa.html?ex 1297054800&en 9770cf71c58cfd89&ei 5090&partner rssuserland&emc rss A Young Bush Appointee Resigns His Post at NASA , New York Times , February 8, 2006 ref Deutsch&mdash who had been accused of censoring scientific information at NASA&mdash claimed to have ..., completed his degree there. The Scientific Activist was founded on January 11, 2006, and was originally ... 2006 01 what is scientific activist.html What is a Scientific Activist? , The Scientific ... oxford scientists bite back at animal.html Oxford Scientist Bite Back at Animal Rights Activists , The Scientific Activist , February 26, 2006 ref On June 9, 2006, The Scientific Activist moved to ScienceBlogs ... day for scientific activist.html It s Moving Day for The Scientific Activist post from original site , The Scientific Activist , June 9, 2006 see also http scienceblogs.com scientificactivist 2006 06 June 2006 archives new site ref In July 2006, The Scientific Activist was named one of Nature journal ... references External links http scienceblogs.com scientificactivist The Scientific Activist , current site http scientificactivist.blogspot.com The Scientific Activist , original site archives January 11&mdash June 21, 2006 DEFAULTSORT Scientific Activist, The Category Science blogs Category Blogs ... more details
Yale Scientific Magazine is published quarterly by undergraduate Yale University students since 1894. It was founded at the Sheffield Scientific School and was the first student magazine devoted to the sciences. It is currently the nation s oldest collegiate science quarterly. Until 1927 it was called Yale Sheffield Monthly . http www.eng.yale.edu eng150 timeline 1921.html Currently with over 100 students involved in all aspects of the magazine which include writing, editorial, production, art, multimedia, website, and business teams and about 2,000 subscribers around the world, Yale Scientific Magazine is expanding its initiatives on campus, online, and in the New Haven community. Article topics covered by this publication range from tissue engineered vascular grafts to the effects of cyclones on global warming to the science of art restoration, as Yale Scientific Magazine covers all realms of science, math, and engineering at Yale and beyond. As the premier science publication on campus, Yale Scientific Magazine continues its mission to serve the Yale community by presenting the scientific, medical, and engineering activities at the University in an honest and unbiased manner. External links http research.yale.edu ysm Yale Scientific homepage Category American magazines Category Science and technology magazines Category Yale University sci mag stub ... more details
Book Agency See also Category World Scientific academic journals Journals published by World Scientific ... in 1981 Category Companies based in Singapore he World Scientific ... more details
A scientific controversy may be a fundamental disagreement among scientists about the validity of a major theory, a secondary scientific controversy , i.e., scientists disagreeing about a less central aspect of a scientific idea. ref name berkeley http undsci.berkeley.edu article 0 0 0 sciencetoolkit 06 ref quote A true scientific controversy involves a sustained debate within the broader scientific community McMullin, 1987 ref McMullin, E., 1987, Scientific controversy and its termination, in Jr., H.T.E., and Caplan, A.L., eds., Scientific controversies Case studies in resolution and closure of disputes in science and technology Cambridge, Cambridge University Press. ref . In other words, a significant number of people must be actively engaged in research that addresses the controversy over time. ref name egger carpi http www.visionlearning.com library module viewer.php?mid 181 ref quote True scientific controversy ... is healthy and involves disagreements over how data should be interpreted, over which ideas are best supported by the available evidence, and over which ideas are worth investigating further. ref name berkeley Anne E. Egger said, Controversies cause progress in science by encouraging research on the topic in question. ref name egger carpi List of scientific controversies Race and intelligence ADHD see Attention deficit hyperactivity disorder controversies Biopsychiatry controversy Labeling theory Atomic theory Atomic theory controversy The atomic theory in 19th century chemistry String theory Pfiesteria shumwayae toxicity and life cycle The existence of mantle plume s Abraham Minkowski controversy , a physics debate concerning electromagnetic momentum within dielectric media. Standard Model of cosmology Drake equation , several terms in the equation are largely or entirely based on conjecture Extraterrestrial life the relationship between tropical storms ... Cold fusion Food irradiation HPV immunization See also Scientific method References reflist category ... more details
refimprove date May 2010 Scientific progress is the idea that science increases its problem solving ability through the application of some scientific method . Discontinuous Model of Scientific Progress Several Philosophy of Science Philosophers of Science have supported arguments that the progress of science is discontinuous. In that case, progress is not a continuous accumulation, but rather a revolutionary process where brand new ideas are adopted and old ideas become abandoned. Thomas Kuhn was a major proponent of this model of scientific progress, as explained in his book The Structure of Scientific ... paradigm. A discontinuous model of scientific progress may disagree with a philosophical realism ... referred to may change wildly. History of Science as a Model of Scientific Progress Another model of Scientific Progress, as put forward by Richard Boyd , and others, is History of Science as a model of scientific progress. In short, methods in science are produced which are used to produce scientific theories, which then are used to produce more methods, which are then used to produce more theories and so on. Note that this does not conflict with a continuous or discontinuous model of scientific ... did not concern themselves with gaining knowledge in any systematic way, and thus the concept of scientific ... not engage in the scientific method . Even if some esoteric traditions may have involved themselves ... in connection with the art of warfare. Quotes on Scientific Progress Dr. Terry Halwes wrote What is required for scientific progress is mainly ordinary curiosity, ordinary awareness, ordinary ... Popper wrote in The Logic of Scientific Discovery The wrong view of science betrays itself in the craving ... terrible truth.htm See also The Relativity of Wrong essay by Isaac Asimov which concerns scientific progress External links http plato.stanford.edu entries scientific progress Stanford Encyclopedia of Philosophy entry Category Scientific method ar es Progreso cient fico fr Progr s scientifique ... more details
Unreferenced date December 2009 A Scientist scientific celebrity is a person who gains celebrity status in the media by representing their own scientific interests. Such promotion can be self serving in nature, can be at the behest of governmental or corporate interests or even to promote the science involved. With every new scientific discovery various people have long been known for their contributions to knowledge, medicine and methods of transportation. Although this phenomenon has undergone a recent upsurgence coincidental with the rise of celebrity culture , it is by no means new and the list of scientific celebrities is long. Many other people have become known to the public as a result of media promotion. Heads of state, heads of governmental units and religious leaders have long enjoyed this attention in representing interests other than their own. Media celebrities Some television presenter s such as Richard Attenborough , Patrick Moore and David Attenborough have scientific qualifications, but they are primarily known for their own presentations of scientific topics rather than their contributions to the advance of scientific knowledge. Additionally, some celebrities are known for their roles in the media but not for their work in science, for example Mayim Bialik , Child star from television show, Blossom who has a PhD in neuroscience . For a list of persons who have made major discoveries in the field of science, see the articles for specific areas of scientific knowledge and discovery. See also Brian Cox physicist Brian Cox Albert Einstein Marie Curie Carl Sagan William Buckland Richard Dawkins Stephen Jay Gould Brian Greene Susan Greenfield Stephen Hawking Martin Rees Kevin Warwick Michael Ignatieff Steve Irwin Michio Kaku Bill Nye Neil deGrasse Tyson Desmond Morris DEFAULTSORT Scientific Celebrity Category Science in society Category Celebrity ... more details
Multiple issues disputed June 2011 essay June 2011 refimprove October 2009 A scientific law is a statement that explains what something does in science. A scientific law must always apply under the same conditions, and implies a causal relationship between its elements. The law must be confirmed and broadly agreed upon through the process of inductive reasoning . As well, scientific fact factual and well confirmed statements like Mercury is liquid at standard temperature and pressure are considered to be too specific to qualify as scientific laws. A central problem in the philosophy of science , going back to David Hume , is that of distinguishing scientific laws from principles that arise merely accidentally because of the constant conjunction of one thing and another. ref Citation contribution Laws, natural or scientific editor last Honderich editor first Bike title Oxford Companion to Philosophy pages 474 476 publisher Oxford University Press place Oxford year 1995 isbn 0 19 866132 0 ref Law differs from a scientific theory in that it does not posit a mechanism or explanation of phenomena it is merely a distillation of the results of repeated observation. As such, a law is limited in applicability to circumstances resembling those already observed, and is often found to be false when extrapolated. Ohm s law only applies to linear networks, Newton s law of universal gravitation ... s law only applies to strain physics strain below the elastic limit , etc. The term scientific ... required ref An example of a scientific law in social sciences is Zipf s law . Laws can become obsolete ... Laws of science Scientific method Scientific theory Theory References reflist philosophy of science Category Scientific method Category Philosophy of science Category Principles science stub bs Nau ni zakon cs V deck z kon el io Lego ciencala id Hukum ilmiah ia Lege scientific ht Lwa syans la Lex scientifica ru simple Scientific law ckb fi Tieteellinen ... more details
Scientific teaching is a pedagogy pedagogical approach used in undergraduate science classrooms whereby teaching and learning is approached with the same rigor as science itself. According to a 2004 Policy Forum in Science journal Science magazine, scientific teaching involves active learning strategies to engage students in the process of science and teaching methods that have been systematically tested and shown to reach diverse students. ref Jo Handelsman, Diane Ebert May, Robert Beichner, Peter Bruns, Amy Chang, Robert DeHaan, Jim Gentile, Sarah Lauffer, James Stewart, Shirley M. Tilghman, and William B. Wood. 2004 . http scientificteaching.wisc.edu documents ScientificTeaching.pdf Scientific Teaching . Science 304 5670, 23 April , 521 522. ref The 2007 volume Scientific Teaching ref Jo Handelsman, Sarah Miller, and Christine Pfund. 2007 . http scientificteaching.wisc.edu books.htm Scientific Teaching . Madison, WI Englewood, CO and New York The Wisconsin Program for Scientific Teaching, Roberts & Company, and W.H. Freeman. ref lists three major tenets of scientific teaching blockquote Active learning A process in which students are actively engaged in learning. It may include inquiry based learning, cooperative learning, or student centered learning. Assessment Tools for measuring ... in the classroom. The SCALE UP learning environment is an example of applying the scientific teaching approach. In practice, scientific teaching employs a backward design approach. The instructor ... student learning through scientific discovery. ref D. Ebert May and J. Hodder. 2008 http www.sinauer.com detail.php?id 2221 Pathways to Scientific Teaching . Sinauer Associates, Inc. ref References Reflist External links http scientificteaching.wisc.edu Wisconsin Program for Scientific Teaching http scientificteaching.wisc.edu books.htm Scientific Teaching by Jo Handelsman Handelsman , Miller, and Pfund ... Education in Biology http www.sinauer.com detail.php?id 2221 Pathways to Scientific Teaching ... more details
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