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December 7, 2007 lecture by Brian Lee for the Human-Computer Interaction Seminar (CS 547). Today's designers generate content both on paper and online. Designers spread their work over physical and digital media, each of which has powerful, but distinct, sets of affordances. Recent work suggests that augmented paper interfaces can marry the ubiquity of paper interactions with the ease of search, annotation, and presentation afforded by dig...more
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This lecture begins by applying the united-atom "plum-pudding" view of molecular orbitals, introduced in the previous lecture, to more complex molecules. It then introduces the more utilitarian concept of localized pairwise bonding between atoms. Formulating an atom-pair molecular orbital as the sum of atomic orbitals creates an electron difference density through the cross product that enters upon squaring a sum. This "overlap" term is th...more
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Just twenty percent of the members in any group or social system own eighty percent of the assets, indicative that scale indicates a growing concentration of power. The top 2,000 companies employ and influences a million people in the modern world, says author David Rothkopf. With cross-ownership and networking in all circles - business, military, religion, and the Internet among them - a few succeed, but the majority of participants withi...more
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When starting a company, it's important to tell your family that they'll rarely see you, says Levinson, and to tell them how important they are to the whole process. The stress involved with a startup is often mind-boggling, and the support of family can be the saving grace, he adds.
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More on PE ratios - Comparing PE ratios across markets - Comparing PE ratios across companies - Cross sectional regressions PEG Ratios - Definition and Determinants
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Terminal value: Final thoughts Picking the "right" DCF model Loose ends in valuation - The value of cash - The value of cross holdings
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Professor Diamond continues her discussion of the nervous system beginning with a discussion of myelin-forming oligodendrocytes and Schwann cells, saltatory conduction from the nodes of ranvier, and the similarity of the function of microglia to monocytes. She moves on to describe the development of the neural tube by drawing a cross-section of the neural tube and depicting the changes it undergoes, forming the ventricles of the brain, whi...more
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The boom in European colonial expansion in the second half of the nineteenth century, the so-called New Imperialism, can be seen to follow from three principle factors, in ascending order of importance: religious proselytizing, profit, and inter-imperial political strategy. With respect to the latter concern, the conflicts emerging from imperialism set the stage for World War I. Along with its military and industrial consequences, imperial...more
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Professor Diamond begins this lecture with her famous discussion of the human brain, demonstrating her favorite subject with a preserved sample. She then launches into a discussion of the muscular system, starting with its general functions: movement, support, heat generation, facial expression, and protection. She discusses nomenclature for muscles and how these are impacted by the number of muscle heads, the muscle length, muscle locat...more
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Data shows, consistently, that poor people have more children than rich people; economically speaking, children are an inferior good. Children are production goods because they do work, consumption goods because they are enjoyable, and investment goods because they support parents in old age. Jobs in the modern sector require education and health. To pay for this, parents have to focus their resources on fewer children.
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Prior to the Demographic Transition, fertility in northwestern Europe was controlled by limiting marriage. Marriage was regulated by landowners and the churches, and was not allowed unless a man had accumulated the resources necessary to support a family. Long periods of being landless, a servant, or an apprentice, precluded marriage. Once married, there was no control of fertility. But, only about half of adults were married at any given ...more
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In many regions, the central cultural idea is that of a lineage, a family and its line of male ancestors and descendants. The prime duty in these cultures is to keep the lineage going. Religion is small scale with the ancestors performing many of the functions of gods. Denser populations and larger political entities lead to large-scale religion where conformity is stressed and cultural rules are codified in a book and not subject to discu...more
