810 research outputs found

    Conservative Supreme Court: Its Impact On Traditional Values

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    Most court watchers agree that the changing composition of the Supreme Court will ineluctably favor the interests of traditional values organizations like the American Family Association. The next decade will surely see the Court return to a more balanced approach in line with the preservation of family values. Certainly some will characterize the new Court as more conservative. To the extent that it will emphasize core principles in the Constitution as the bedrock from which it must proceed, it will be conservative. Yet this is simply a return of the Court to its intended function: interpretation and application of law textually found in the Constitution or duly enacted legislation. No doubt the Court will be more reluctant to manufacture new rights not specifically found in these core sources. It will look to the Congress and the state legislatures to enact new rights as the social and political needs of the people evolve. And in applying the Constitution it will no doubt rely on the Framers\u27 original intent

    Rigidity analysis of HIV-1 protease

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    We present a rigidity analysis on a large number of X-ray crystal structures of the enzyme HIV-1 protease using the 'pebble game' algorithm of the software FIRST. We find that although the rigidity profile remains similar across a comprehensive set of high resolution structures, the profile changes significantly in the presence of an inhibitor. Our study shows that the action of the inhibitors is to restrict the flexibility of the beta-hairpin flaps which allow access to the active site. The results are discussed in the context of full molecular dynamics simulations as well as data from NMR experiments.Comment: 4 pages, 3 figures. Conference proceedings for CMMP conference 2010 which was held at the University of Warwic

    Studies of Mass and Size Effects in Three-Dimensional Vibrofluidized Granular Mixtures

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    We examine the steady state properties of binary systems of driven inelastic hard spheres. The spheres, which move under the influence of gravity, are contained in a vertical cylinder with a vibrating base. We computed the trajectories of the spheres using an event-driven molecular dynamics algorithm. In the first part of the study, we chose simulation parameters that match those of experiments performed by Wildman and Parker. Various properties computed from the simulation including the density profile, granular temperature and circulation pattern are in good qualitative agreement with the experiments. We then studied the effect of varying the mass ratio and the size ratio independently while holding the other parameters constant. The mass and size ratio are shown to affect the distribution of the energy. The changes in the energy distributions affect the packing fraction and temperature of each component. The temperature of the heavier component has a non-linear dependence on the mass of the lighter component, while the temperature of the lighter component is approximately proportional to its mass. The temperature of both components is inversely dependent on the size of the smaller component.Comment: 14 Pages, 12 Figures, RevTeX
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