14,419 research outputs found

    Cutting Down Damages Awards in Timber Trespass Cases

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    The Alaska Supreme Court recently heard two cases addressing damages awards for timber trespass claims. Both cases, Wiersum v. Harder and Chung v. Park , emphasized the difficulty of obtaining restoration damages and the close scrutiny given to the size of the damages award itself. This Note explores the history of timber trespass and the current method by which courts determine the appropriate damages award. The Note also proposes a possible alternative to the current reticence toward restoration damages in which the plaintiff may elect to receive restoration damages but would be required to use those damages to restore their trees

    Impact of tether cutting on onboard navigation during the Tethered Satellite Mission-1

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    The first Tethered Satellite System mission (TSS-1) is manifested for Shuttle Flight STS-44 in January of 1991. The TSS mission presents a new challenge to engineers, requiring advanced guidance, navigation and control concepts. Current NASA flight rules require that the navigational state of the Orbiter at deorbit burn be known to an accuracy of 20 nautical miles. Response of the Shuttle crew to this contingency may involve cutting the tether prior to a complete retrieval. The degradation of the navigational state accuracy as modelled by Shuttle navigation system is examined. Responses to the loss of communication scenario are proposed for two cases. The first case examines navigational performance during a nominal attitude profile. The second case is identical to the first, with the inclusion of modelled tether electrodynamical forces. Comparisons of trajectories propagated from the onboard navigational state vector and a reference ephemeris state vector were performed, with the tether cut simulated at various points during the mission. Additionally, updates to the onboard navigational state via ground uplinks were provided prior to the assumed loss of communication. Through these comparisons, the onboard navigation state error was determined. Alternative responses result from efforts to minimize this error during the various phases of TSS-1 deployment. These results demonstrated existing NASA flight rules could be violated by cutting the tether, and suggests reponses to a loss of communications contingency to maintain a more accurate navigational state

    Reparable Harm: Assessing and Addressing Disparities Faced by Boys and Men of Color in California

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    The California Endowment commissioned this report to highlight the most glaring inequities in socioeconomics, health, safety, and education faced by African-American and Latino men and boys in the state. In addition to presenting the statistics on these indicators, the authors outline a framework for addressing the disparities at the individual, community, and macro levels

    Band Distributions for Quantum Chaos on the Torus

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    Band distributions (BDs) are introduced describing quantization in a toral phase space. A BD is the uniform average of an eigenstate phase-space probability distribution over a band of toral boundary conditions. A general explicit expression for the Wigner BD is obtained. It is shown that the Wigner functions for {\em all} of the band eigenstates can be reproduced from the Wigner BD. Also, BDs are shown to be closer to classical distributions than eigenstate distributions. Generalized BDs, associated with sets of adjacent bands, are used to extend in a natural way the Chern-index characterization of the classical-quantum correspondence on the torus to arbitrary rational values of the scaled Planck constant.Comment: 12 REVTEX page
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