61. CODATA KEY VALUES FOR THERMODYNAMICS Internationally agreed values for the thermodynamical properties of key chemical substances, by the Committee on Data for Science and Technology CODATA. Includes standard enthalpy of formation and entropy at 298.15 K. http://www.codata.org/codata/databases/key1.html

CODATA KEY VALUES FOR THERMODYNAMICS The Committee on Data for Science and Technology (CODATA) has conducted a project to establish internationally agreed values for the thermodynamic properties of key chemical substances. This table presents the final results of the project. Use of these recommended, internally consistent values is encouraged in the analysis of thermodynamic measurements, data reduction, and preparation of other thermodynamic tables. The table includes the standard enthalpy of formation at 298.15 K, the entropy at 298.15 K, and the quantity (298.15 K)- (0). A value of in theD f column for an element indicates the reference state for that element. The standard state pressure is 100000 Pa (1 bar). See the reference for information on the dependence of gas-phase entropy on the choice of standard state pressure. Substances are listed in alphabetical order of their chemical formulas when written in the most common form. REFERENCE Cox, J. D., Wagman, D. D., and Medvedev, V. A. , CODATA Key Values for Thermodynamics, Hemisphere Publishing Corp., New York, 1989.

62. Mobile Entropy Mobile entropy. Mobile entropy If you re only interested in mobile, then I suggestyou go to the mobile section. This page has everything from my blog in it. http://www.mobileentropy.com/

Mobile Entropy Mobile Entropy... If you're only interested in mobile, then I suggest you go to the mobile section . This page has everything from my blog in it. Update: for lots of complicated reasons, this site's a bit broken at the moment. It'll be back shortly, meanwhile, erm...I'm sure you'll cope. November 27, 2003 Overground, underground, googling free... A quick tip for those searching for things and finding themselves here (and that means you, on occasion, Orlowski). If you don't want me*, and both the other people who read this, to know what you've searched for, right click on the link in Google and paste it into the location bar on your b-r-o-w-s-e-r. This page shows the most recent searches that have brought visitors here, and it's quite obvious when people revise their searches and still come back. * I'll know anyway, since it's all logged, but comfort yourself with the knowledge that I might be slightly too busy to care... Geeky software stuff 12:46 AM, Thursday Comments (1) TrackBack (0) Glottal stop. Tonight the plans for the England rugby team's triumphal return to the UK have been announced. I love the notion that the England rugby squad have spent four days 'working out how best to recognise their victory and celebrate with their supporters', when it's more a question of a variety of hangers-on deliberating on how they can extract most value from the efforts of 'their' team.

63. [gr-qc/9807045] Black Hole Entropy And Quantum Gravity An elementary introduction is given to the problem of black hole entropy as formulated by Bekenstein and Hawking. http://arxiv.org/abs/gr-qc/9807045

General Relativity and Quantum Cosmology, abstract gr-qc/9807045 From: Parthasarathi Majumdar [ view email ] Date ( ): Fri, 17 Jul 1998 12:07:30 GMT (3kb,P) Date (revised ): Tue, 21 Jul 1998 07:21:57 GMT (22kb) Date (revised v3): Wed, 29 Jul 1998 11:01:44 GMT (22kb) Black Hole Entropy and Quantum Gravity Authors: Parthasarathi Majumdar Comments: 13 pages, Revtex, 5 eps figures. Invited talk at National Symposium on Trends and Perspectives in Theoretical Physics, IACS, Calcutta, India, April, 1998. One reference added Report-no: IMSc/98/07/38 An elementary introduction is given to the problem of black hole entropy as formulated by Bekenstein and Hawking. The information theoretic basis of Bekenstein's formulation is briefly reviewed and compared with Hawking's approach. The issue of calculating the entropy by actual counting of microstates is taken up next within two currently popular approaches to quantum gravity, viz., string theory and canonical quantum gravity. The treatment of the former assay is confined to a few remarks, mainly of a critical nature, while some of the computational techniques of the latter approach are elaborated. We conclude by trying to find commonalities between these two rather disparate directions of work. Full-text: PostScript PDF , or Other formats References and citations for this submission: SLAC-SPIRES HEP (refers to , cited

64. CVS Hosting - SourceHosting.net Your source for CVS hosting. Quick Jump. http://www.entropy.com/

Your source for CVS hosting Quick Jump 2 week evaluation My Account CVS Hosting FAQ Contact Us Company Solutions Pricing Sign Up ... Tech Support Welcome to SourceHosting.net , the premier CVS hosting service on the Internet since 1999! By providing the rock-solid CVS hosting that our clients demand, we enable them to focus less on software development process and infrastructure, and more on building and shipping their products on time. And now with support for Bugzilla hosting, CVSweb, and WebCalendar, collaboration just got even easier. If you would like to learn more about our services, please visit our Solutions page. We look forward to working with you and helping your company succeed! Recent News SourceHosting.net unveils its new look! SourceHosting.net adds Bugzilla and other collaboration tools to service offerings solutions pricing ... Dynamic Internet

65. The Second Law Of Thermodynamics Conversational introduction to the second law and entropy via practical everyday examples. Qualitative, nonmath, but substantial. http://www.secondlaw.com/

Time's Arrow Murphy's Law Activation Energy Chemical Kinetics ... Chemical Bonds This site shows that some ancient questions about "things going wrong" in our lives have surprisingly simple answers in modern basic chemistry (even things happening to us which cause that painful cry of "Why me?") Still more important to one's philosophy about life, these chemical ideas can startle us into seeing how fortunate we all are: that things don't go wrong more often! We'll talk mainly about down-to-earth things common solid objects of wood, metal, and bone, not about complex computer chips or programs going wrong (nor about personal relations that fall apart. Even chemistry has limits.) Simple things often are involved in annoying or deadly happenings to us: breaking a surfboard (that then hits us), having a tire blow out, being in a fire in Malibu, flying the X-1 (as Chuck Yeager had to) with a corroded battery cable or riding a horse and being thrown ending up with a broken neck.

66. Entropy Coding (EC) Publications, peoples and source code for entropy coding. http://www.data-compression.info/Algorithms/EC/

www.data-compression.info The Data Compression Resource on the Internet Entropy Coding (EC) The process of entropy coding (EC) can be split in two parts: modeling and coding. Modeling assigns probabilities to the symbols, and coding produces a bit sequence from these probabilities. As established in Shannon's source coding theorem, there is a relationship between the symbol probability and it's corresponding bit sequence. A symbol with probabilitiy p gets a bit sequence of length -log(p). In order to achieve a good compression rate, an exact propability estimation is needed. Since the model is responsible for the probability of each symbol, modeling is one the most important tasks in data compression. Entropy coding can be done with a coding scheme, which uses a discrete number of bits for each symbol, for example Huffman coding, or with a coding scheme, which uses a discrete number of bits for several symbols. In the last case we get arithmetoc coding, if the number of symbols is equal to the total number of symbols to encode. Publications Logo Title Descrition Modeling for Text Compression Although from 1988 this paper from Timothy Bell, Ian Witten and John Cleary is one of my favourites. It is easy to read, well structured and explains all important details.

67. MaxEnt2001 International Workshop on Bayesian Inference and Maximum entropy Methods in Science and Engineering. Baltimore, MD, USA; 49 August 2001. Online papers and tutorials. http://www.jhuapl.edu/maxent2001/

68. Hogs Of Entropy - Moo, Oink avoid useless boredom accompany it with. Abigwar AIDS AltRocksANdz0oey Anjee Angeldust Anilos Anodyne Anongirl Another Mike http://www.hoe.nu/

avoid useless boredom ... accompany it with Abigwar AIDS AltRocks Anjee Angeldust Anilos Anodyne Anongirl Another Mike Antihero Art Ashtray Heart Aster Avenger Basehead Big Daddy Bill Black Francis Caitlin Cannibal Butterfly Captain Bovine Cap'n Sparky Chal e. Mac Charlie Chickenlord Clyde Corrosion Craig Martin Crank Cstone Cyn Darwin Daisy Defiant Eerie Effy Girl From Mars Glynis Golden Boognish Granny Hardcore Hermy Jamesy Jammer 427 Jester Jook Jubjub Juliet Kaia Kreid Krnl Laja Ajna Lapse LatinMan LilNilHil Meenk Meeyoww Metalchic Miasma Mogel Mooer Morpheus Mr A Jim Mr. Sandman

69. Entropy And Information A 306 page online book in PDF format by Robert M. Gray of Stanford University. http://ee-www.stanford.edu/~gray/it.pdf

70. Welcome To Algorithmic Entropy Algorithmic entropy is an industrial metal project based in Schenectady,NY. WE ARE ALGORITHMIC entropy INDUSTRIAL MUSIC FROM SCHENECTADY, NY. http://destinynow.rr.nu/

Algorithmic Entropy is an industrial metal project based in Schenectady, NY. We strive to make a new breed of music spanning all the metal Genres, including, thrash, speed, death, heavy.

71. Entropy Reduction Luke Hohmann talks with Bill Venners about entropy reduction, the cost of change,and programming as choreography. Technical Debt and entropy Reduction. http://www.artima.com/intv/entropy.html

Search Articles Groups News ... Next Entropy Reduction A Conversation with Luke Hohmann, Part II by Bill Venners March 22, 2004 Page 1 of 3 Advertisement Summary Luke Hohmann talks with Bill Venners about entropy reduction, the cost of change, and programming as choreography. Luke Hohmann is a management consultant who helps his clients bridge the gap that often exists between business and technology. In his past experience, he has played many of the varied roles required by successful software product development organizations, including development, marketing, professional services, sales, customer care, and business development. Hohmann currently focuses his efforts on enterprise class software systems. He is the author of Journey of the Software Professional: A Sociology of Software Development (Prentice-Hall, 1997), which blends cognitive pyschology and organizational behavior into a model for managing the human side of software development. He is also the author of Beyond Software Architecture: Creating and Sustaining Winning Solutions (Addison-Wesley, 2003), which discusses software architecture in a business context.

72. [gr-qc/9912119] The Thermodynamics Of Black Holes This review includes discussion of classical black hole thermodynamics, Hawking radiation from black holes, the generalized second law, and the issue of entropy bounds. http://arxiv.org/abs/gr-qc/9912119

General Relativity and Quantum Cosmology, abstract gr-qc/9912119 From: Robert M. Wald [ view email ] Date ( ): Fri, 31 Dec 1999 00:05:33 GMT (32kb) Date (revised v2): Sat, 30 Sep 2000 17:42:16 GMT (34kb) The Thermodynamics of Black Holes Authors: Robert M. Wald Comments: 46 pages, no figures, plain latex file; submitted to Living Reviews in Relativity. Revised version contains numerous minor changes Journal-ref: Living Rev.Rel. 4 (2001) 6 We review the present status of black hole thermodynamics. Our review includes discussion of classical black hole thermodynamics, Hawking radiation from black holes, the generalized second law, and the issue of entropy bounds. A brief survey also is given of approaches to the calculation of black hole entropy. We conclude with a discussion of some unresolved open issues. Full-text: PostScript PDF , or Other formats References and citations for this submission: SLAC-SPIRES HEP (refers to , cited by , arXiv reformatted); CiteBase (autonomous citation navigation and analysis) Which authors of this paper are endorsers?

73. Www.students.uiuc.edu/~jddunn/entropy/ entropy (1999/I)entropy (1999/I) Cast, Crew, Reviews, Plot Summary, Comments, Discussion, Taglines,Trailers, Posters, Photos, Showtimes, Link to Official Site, Fan Sites. http://www.students.uiuc.edu/~jddunn/entropy/

74. Entropy (ISSN 1099-4300, CODEN: ENTRFG) Journal devoted to the exploration of entropy in statistics and science. http://www.unibas.ch/mdpi/entropy/

http://www.mdpi.net http://www.mdpi.org About MDPI Open Access Journals ... Textual Search Entropy MDPI Entropy is a peer-refereed scientific journal. It is published online quarterly at http://www.mdpi.net/entropy/. Entropy is an open access online journal which follows the guidelines of the Budapest Open Access Initiative Now published papers are archived by printing 100 hard copies of the volumes which are distributed almost free of charge to the most important libraries in the world (see the PRINTED-EDITION website), by publishing CD-ROM volumes and by mirroring at several servers Entropy is Indexed and abstracted by Chemical Abstracts and INSPEC (covered completely, see the list To be added to the subscriber's mailing list, send an e-mail to entropy_request@mdpi.org (put "ENTROPY free subscription" as the subject title and your name and address as the text in your e-mail)" For authors : Residents of some 67 countries may now benefit from a special charge waiver program Contact addresses: Dr. Michel Petitjean

75. The Second Law Of Thermodynamics. By Brig Klyce A rather puzzling article by Brig Klyce about entropy with references to living systems from the point of view of thermodynamics and information theory. http://www.panspermia.com/seconlaw.htm

COSMIC ANCESTRY Quick Guide Next THE SECOND LAW OF THERMODYNAMICS What'sNEW The use of thermodynamics in biology has a long history rich in confusion Sometimes people say that life violates the second law of thermodynamics. This is not the case; we know of nothing in the universe that violates that law. So why do people say that life violates the second law of thermodynamics? What is the second law of thermodynamics? According to philosopher of science Thomas Kuhn, the second law was first put into words by two scientists, Rudolph Clausius and William Thomson (Lord Kelvin), using different examples, in 1850-51 . American quantum physicist Richard P. Feynman, however, says the French physicist Sadi Carnot discovered the second law 25 years earlier. That would have been before the first law, conservation of energy, was discovered ! In any case, modern scientists completely agree about the above principles. Thermodynamic Entropy The first opportunity for confusion arises when we introduce the term entropy into the mix. Clausius invented the term in 1865. He had noticed that a certain ratio was constant in reversible, or ideal, heat cycles. The ratio was heat exchanged to absolute temperature. Clausius decided that the conserved ratio must correspond to a real, physical quantity, and he named it "entropy". Surely not every conserved ratio corresponds to a real, physical quantity. Historical accident has introduced this term to science. On another planet there could be physics without the concept of entropy. It completely lacks intuitive clarity. Even the great physicist James Clerk Maxwell had it backward for a while

76. Entropy - Wikipedia, The Free Encyclopedia DJ entropyAmerica s 1 Hardcore DJ and producer. DJ entropy MUSICSITE. DJ entropy AUDIO SERVICES (coming soon!). http://en.wikipedia.org/wiki/Entropy

Entropy From Wikipedia, the free encyclopedia. Thermodynamic entropy (Entropy in the context of Physics) Information Theoretic Entropy (Entropy in the context of Statistics) This is a disambiguation page; that is, one that points to other pages that might otherwise have the same name. If you followed a link here, you might want to go back and fix that link to point to the appropriate specific page. Views Article Discussion Edit History Personal tools Log in Navigation Main Page Community portal Current events Recent changes ... Donations Search Toolbox What links here Related changes Special pages This page was last modified 02:06, 4 Jun 2004. All text is available under the terms of the GNU Free Documentation License (see for details). About Wikipedia

77. Entropy Conversion Factors entropy Conversion Factors Calculator. A powerful, accurate and versatile onlineTool from Process Associates of America. entropy Conversion Factors. http://www.processassociates.com/process/convert/cf_ent.htm

Entropy Conversion Factors Convert J/(kg.K) J/(g.K) cal/(g.K) I.T. cal/(g.K) To: J/(kg.K) J/(g.K) cal/(g.K) I.T. cal/(g.K) Use of this site indicates you accept the

78. Welcome To Entropysite.com entropy Sites — A Guide. Some nonpublished supplementary material concerning entropyand teaching it to beginners is also included. what s new. 08-Apr-2004. http://www.entropysite.com/

links news articles supplements ... acknowledgements The content of this Web site has been selected for instructors in general and physical chemistry by Dr. Frank L. Lambert, Professor Emeritus (Chemistry) of Occidental College, Los Angeles ( CV what's new 08-Apr-2004 See news section for details. links To aid students and others who have reached this Web site and who do not teach chemistry, here are links to reliable sites that introduce entropy in an easily understandable manner: Entropy for students in general chemistry is developed at www.secondlaw.com . (In Q and A form, and built on a simple approach to the second law, www.secondlaw.com/six.html The molecular approach to entropy for more advanced general chemistry students is at www.2ndlaw.com/entropy.html. The shortest intro to the second law and entropy for students is in the supplemental material of this site, here Liberal arts students who are somewhat curious about entropy should visit www.entropysimple.com, "Entropy Is Simple, If We Avoid the Briar Patches!". Qualitative, emphasizing the generality of application of the second law to environmental phenomena (but including why cream mixes in coffee), this site is not designed for chemistry students. Adults who are in business, law, or other non-scientific fields can readily see the importance of the second law of thermodynamics in everyday life — that C. P. Snow never mentioned when he talked about "the two cultures" — via

79. [quant-ph/9611048] The Quantum Theory Of Ur-Objects As A Theory Of Information Here the quantum theory of urobjects proposed by C. F. von Weizsaecker is reviewed, and the philosophical consequences of its interpretation as an information theory are demonstrated by means of some important concepts of physics such as time, space, entropy, energy, and matter, which in ur theory appear to be directly connected with information as ''the'' fundamental substance. http://arxiv.org/abs/quant-ph/9611048

Quantum Physics, abstract quant-ph/9611048 From: Holger Lyre [ view email ] Date: Tue, 26 Nov 1996 09:28:24 MST (11kb) The Quantum Theory of Ur-Objects as a Theory of Information Authors: Holger Lyre Comments: 11 pages Journal-ref: Int.J.Theor.Phys. 34 (1995) 1541 The quantum theory of ur-objects proposed by C. F. von Weizsaecker has to be interpreted as a quantum theory of information. Ur-objects, or urs, are thought to be the simplest objects in quantum theory. Thus an ur is represented by a two-dimensional Hilbert space with the universal symmetry group SU(2), and can only be characterized as ''one bit of potential information''. In this sense it is not a spatial but an ''information atom''. The physical structure of the ur theory is reviewed, and the philosophical consequences of its interpretation as an information theory are demonstrated by means of some important concepts of physics such as time, space, entropy, energy, and matter, which in ur theory appear to be directly connected with information as ''the'' fundamental substance. This hopefully will help to provide a new understanding of the concept of information. Full-text: PostScript PDF , or Other formats References and citations for this submission: SLAC-SPIRES HEP (refers to , cited

80. Home Providing risk management, engineering, and statistical services including risk assessment tool development, multivariate analysis, and failure modeling. http://www.entropylimited.com/

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