1,066 research outputs found

    Global conflict and the rise of 'post naïve' science diplomacy.

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    Reflecting on developments in science diplomacy following the war in Ukraine and developing ideas from their previous post questioning the current conceptualisation of science diplomacy, Doubravka Olšáková and Sam Robinson, argue that we are at the beginning of a new era of ‘post naïve’ science diplomacy

    War in Ukraine highlights the enduring myths of science diplomacy

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    Amongst other things, the conflict in Ukraine has demonstrated the failure of western diplomacy to contain the outbreak of war in Europe. Over the past decades, one aspect of this diplomacy has involved the role of scientific and research relationships between Russia and the West, or ‘science diplomacy’. In this post, Doubravka Olšáková and Sam Robinson discuss how the Russia-Ukraine war highlights the limitations of conceptions of science diplomacy since the turn of the 21st century

    Master Plan and Prototype Research Facility for the University of New Mexico Research Park

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    Since great emphasis is now being placed on developing our nation\u27s scientific and technical capabilities, many universities are establishing closer liaison with private industry by inviting companies to locate on or near their campuses. This is not solely an effort by universities, for industry, too, finds it to its advantage to locate in proximity to educational institution. Their are a number of reasons why university-industry relationships are growing, but of most importance is the fact that both hav e recognized the benefits to be gained through an exchange of knowledge, personnel, and equipmen

    De novo spine surgery as a predictor of additional spine surgery at the same or distant spine regions

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    Introduction: Degenerative spine disorders are steadily increasing parallel to the aging of the population with considerable impact on cost and productivity. In this paper we study the prevalence and risk factors for multiple spine surgery and its impact on cost

    Intercollegiate Wine Business Invitational

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    Nathan Saragoza, Ally Bushman, Cassidy Robinson, Hanna Bingham, Sam Weymouth, and Luca Mallon discuss student engagement at Linfield College with regard to their participation in the Intercollegiate Wine Business Invitational.https://digitalcommons.linfield.edu/inauguration2019_students/1015/thumbnail.jp

    Baryon chiral perturbation theory

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    We provide a short introduction to the one-nucleon sector of chiral perturbation theory and address the issue of power counting and renormalization. We discuss the infrared regularization and the extended on-mass-shell scheme. Both allow for the inclusion of further degrees of freedom beyond pions and nucleons and the application to higher-loop calculations. As applications we consider the chiral expansion of the nucleon mass to order O(q6){\cal O}(q^6) and the inclusion of vector and axial-vector mesons in the calculation of nucleon form factors. Finally, we address the complex-mass scheme for describing unstable particles in effective field theory.Comment: 13 pages, 8 figures, invited talk given at the Third International Conference on Hadron Physics, TROIA'11, 22 - 25 August 2011, Canakkale, Turke

    Visual Odometry for Autonomous Deep-Space Navigation Project

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    Autonomous rendezvous and docking (AR&D) is a critical need for manned spaceflight, especially in deep space where communication delays essentially leave crews on their own for critical operations like docking. Previously developed AR&D sensors have been large, heavy, power-hungry, and may still require further development (e.g. Flash LiDAR). Other approaches to vision-based navigation are not computationally efficient enough to operate quickly on slower, flight-like computers. The key technical challenge for visual odometry is to adapt it from the current terrestrial applications it was designed for to function in the harsh lighting conditions of space. This effort leveraged Draper Laboratorys considerable prior development and expertise, benefitting both parties. The algorithm Draper has created is unique from other pose estimation efforts as it has a comparatively small computational footprint (suitable for use onboard a spacecraft, unlike alternatives) and potentially offers accuracy and precision needed for docking. This presents a solution to the AR&D problem that only requires a camera, which is much smaller, lighter, and requires far less power than competing AR&D sensors. We have demonstrated the algorithms performance and ability to process flight-like imagery formats with a flight-like trajectory, positioning ourselves to easily process flight data from the upcoming ISS Selfie activity and then compare the algorithms quantified performance to the simulated imagery. This will bring visual odometry beyond TRL 5, proving its readiness to be demonstrated as part of an integrated system.Once beyond TRL 5, visual odometry will be poised to be demonstrated as part of a system in an in-space demo where relative pose is critical, like Orion AR&D, ISS robotic operations, asteroid proximity operations, and more
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