electronic structure
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Erin Turner, a producer at Electronic Arts specializing in action-hero titles, explains that the GameBoy has a pretty substantial market with 40 million sold worldwide. The mission with the GameBoy is to create some unique draw or additional fun factor, since it does not have nearly the graphical capabilities as a console, she says. The team's challenge is to provide the optimal gaming experience, while working within the constraints of ...more
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Half a century before direct experimental observation became possible, most structures of organic molecules were assigned by inspired guessing based on plausibility. But Wilhelm Körner developed a strictly logical system for proving the structure of benzene and its derivatives based on isomer counting and chemical transformation. His proof that the six hydrogen positions in benzene are equivalent is the outstanding example of this chemical...more
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What does JetBlue think about organizational structure? We thought about how we would hire, train, set expectations and monitor to make sure this was actually happening, says Neeleman. We train employees well, and empower them and compensate them well, he adds.
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Youthful chemists Couper and Kekulé replaced radical and type theories with a new approach involving atomic valence and molecular structure, and based on the tetravalence and self-linking of carbon. Valence structures offered the first explanation for isomerism, and led to the invention of nomenclature, notation, and molecular models closely related to those in use today.
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This lecture brings experiment to bear on the previous theoretical discussion of bonding by focusing on hybridization of the central atom in three XH3 molecules. Because independent electron pairs must not overlap, hybridization can be related to molecular structure by a simple equation. The "Umbrella Vibration" and the associated rehybridization of the central atom is used to illustrate how a competition between strong bonds and stable at...more
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Pointer Movie, Pointer Operations: Code & Pointer Memory Diagrams, Pointer Basics, Pointer and Dynamic Arrays, Use of Pointers, Recursive Data, A Recursive Structure, Live Demo: Working with Linked List, Building the List
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Census data is often politically influenced and hence inaccurate. The birthrate in developing countries is nearly twice that in developed countries. Most humans live in less developed countries, so the world birthrate is near the higher number. The world birthrate is two and a half times the death rate; we are not close to population stabilization. Almost everywhere, the death rate has been drastically reduced; further changes will not mas...more
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Professor Kleiner features the architecture built in and around Rome during the reign of Hadrian. The lecture begins with the Temple of Venus and Roma, a Greek-style temple constructed near the Colosseum in Rome, which may have been designed by Hadrian himself. Professor Kleiner then turns to the Pantheon, a temple dedicated to all the gods that combines the marble porch and pediment of a traditional Greco-Roman temple with a vast concrete...more
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C/C++ Data Types - Interpretations, Sizes, Bits- How Bytes are Broken Up into Bits, Breaking Up a Character's Decimal Value into its Underlying Bit Structure, Shorts - Interpreting Data that Consists of More Than One Byte, Representations of Negative Numbers, The Sign Bit, Two's Complement Addition, Converting Between Chars and Shorts, How the Bit Representation is Transferred, Converting Between ints and shorts, Sign Extending During Conv...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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Professor Mazzotta introduces students to Paradise. The Ptolemaic structure of Dante's cosmos is described along with the arts and sciences associated with its spheres. Beatrice's role as teacher in Dante's cosmological journey is distinguished from that of her successor, St. Bernard of Clairvaux. An introduction to Dante's third and final guide to the Beatific Vision helps situate the poetics of Paradise vis-a-vis the mystical tradition. ...more
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The Epistle of Jude can be dated to somewhere during post-apostolic Christianity and before the formation of the Canon. It refers to the apostles as representing a prior generation, yet it quotes from texts later excluded (perhaps, for example, by 2 Peter) from the Canon. The letters of Ignatius of Antioch contain evidence of a move toward the institutionalization of early Christianity. It mentions, for example, three different church offi...more
