energy storage elements
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Early Modern England: Politics, Religion, and Society under the Tudors and Stuarts (HIST 251)Professor Wrightson reviews the conflicts which developed within the Church of England in the early seventeenth century and played a role in the growing tensions which led to the English civil wars. Wrightson begins by describing the 'Jacobethan consensus' which largely prevailed throughout the reign of James I, characterized by broad-based conform...more
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This beautifully illustrated lecture explores the connections and interactions between British writers and artists. As children, learning to read, we look first at the pictures in books - they tell the tale in their own way. With great writers, this power endures: artists connect with words in different ways. This lecture will explore fascinating examples of the relationships between artists and writers, from those that work independen...more
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Introduction to the Kawa Development Environment: Evaluation of Expressions
Stanford / Computer Science
Introduction to the Kawa Development Environment: Evaluation of Expressions, Loading Function Definitions From a .Scm File, Mapping Arbitrary Unary Functions Over Lists in Scheme Using the Map Operation, Mapping List Functions (Car, Cdr) Over Lists of Lists, Using Mapping Functions with More than One Input by Passing Multiple Lists into Map, Implementing the Unary Version of Map Using Recursion, Apply, Which Allows You to Specify a Functio...more
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Donna Novitsky illuminates the operational differences between a Venture Capitalist (VC) and an entrepreneur. She contrasts them from her personal experiences. She broadly talks about three differentiating operating nodes - strategy versus execution, technology versus team building and diversity versus singular focus. Novitsky mentions that a VCs judge markets, people and technology. An entrepreneur is an expert in a field and has to dive ...more
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Professor Kleiner features the baroque phenomenon in Roman architecture, in which the traditional vocabulary of architecture, consisting of columns and other conventional architectural elements, is manipulated to enliven building facades and inject them with dynamic motion. This baroque trend is often conspicuously ornamental and began to be deployed on the walls of forums and tombs in Italy already in the late first century A.D. But baroq...more
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Writing a Recursive Power Set Function in Scheme, Using a Lambda Mapping Function that Cons-Es the Car to Every Element in the Power-Set of the Cdr to Make the Recursive Step in the Power-Set Function, Using a Let Binding to Cause Power-Set to Only Make One Recursive Call Rather than Two, Structure of a Let Binding, How Expressions Within a Let Binding Cannot Depend On Each Other Unless the Let* Keyword Is Used, How a Let Binding Is Compil...more
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Understanding conformational relationships makes it easy to draw idealized chair structures for cyclohexane and to visualize axial-equatorial interconversion. After quantitative consideration of the conformational energies of ethane, propane, and butane, cyclohexane is used to illustrate the utility of molecular mechanics as an alternative to quantum mechanics for estimating such energies. To give useful accuracy this empirical scheme requ...more
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This lecture continues the discussion of the HOMO/LUMO view of chemical reactivity by focusing on ways of recognizing whether a particular HOMO should be unusually high in energy (basic), or a particular LUMO should be unusually low (acidic). The approach is illustrated with BH3, which is both acidic and basic and thus dimerizes by forming unusual "Y" bonds. The low LUMOs that make both HF and CH3F acidic are analyzed and compared underlin...more
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This lecture is devoted to discussion of the wonderful Quantum world. Classical Mechanics, in spite of all of its impressive predictive power, fails to explain many microscopic behaviors. This led to the development of Quantum Mechanics, where electrons orbit nuclei in discrete energy levels, light can behave as a particle, and particles behave as waves. The location of microscopic particles can only be expressed in terms of probabilities....more
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Kepler's Laws, Elliptical Orbits, Change of Orbits, and the famous passing of a Ham Sandwich by astronauts in orbit. Kepler's three Laws summarize the motion of the planets in our solar system. Following Newton's law of universal gravitation, the conservation of angular momentum and mechanical energy allow us to calculate the semimajor axis of the elliptical orbits, the orbital period and other orbital parameters. All we have to know is on...more
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Professor Kleiner discusses the increasing size of Roman architecture in the second and third centuries A.D. as an example of a "bigger is better" philosophy. She begins with an overview of tomb architecture, a genre that, in Rome as in Ostia, embraced the aesthetic of exposed brick as a facing for the exteriors of buildings. Interiors of second-century tombs, Professor Kleiner reveals, encompass two primary groups -- those that are decora...more
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After mentioning some legal implications of chirality, the discussion of configuration concludes using esomeprazole as an example of three general methods for producing single enantiomers. Conformational isomerism is more subtle because isomers differ only by rotation about single bonds, which requires careful physico-chemical consideration of energies and their relation to equilibrium and rate constants. Conformations have their own notat...more
