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Search Results: 1 - 10 of 198866 matches for " G. Marcì "
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M nnlichkeiten von rechts Masculinities from the Right
Marc G?rtner
querelles-net , 2004,
Abstract: Oliver Geden, Doktorand am Institut für europ ische Ethnologie der Humboldt Universit t Berlin untersucht M nnlichkeitskonzepte im zeitgen ssischen Rechtspopulismus – ein Thema, zu dem überraschend lange keine einschl gigen Studien vorlagen. Anhand von Parteimedien und Interviews rekonstruiert er strategische Positionen zu M nnlichkeit und Geschlechterverh ltnissen auf unterschiedlichen Organisationsebenen der sterreichischen Haider-Partei“ FP . Statt eines monolithischen Neo-Macho-Projektes“ findet er im Kern zwar hnliche Traditionalisierungsbemühungen auf allen Ebenen, je nach Kontext aber differenzierbare pragmatische, verunsicherte und neo-naturalistische Perspektiven auf die Geschlechterthematik. Durch die Einbeziehung von Gruppeninterviews im Nachwuchsverband der Partei erh lt die Publikation eine besondere Brisanz. Geden analysiert die methodischen und forschungsethischen Implikationen ebenso hervorragend wie das Kernthema selbst. Oliver Geden, doctoral candidate at the Institute for European Ethnology at the Humboldt University in Berlin, examines concepts of masculinity in the contemporary populist right—a theme for which there, surprisingly, have long been no relevant studies available. Using party materials and interviews, he reconstructs strategic positions on masculinity and gender relations at differing organizational levels of the Austrian “Haider Party,“ or Austria’s Freedom Party (FP ). Instead of a monolithic “Neo-Macho-Project,“ he finds at the party’s core not only admittedly similar attempts at traditionalization at all levels, but also perspectives on the gender thematic that, based on context, range from the pragmatic, to the insecure, to the neo-naturalist. By including group interviews of the party’s youth organizations, the publication is lent a particular explosive energy. Geden analyzes the ethical implications for method and research as brilliantly as he does the central theme itself.
Review of direct CP violation in two and three body B decays at LHCb
Marc Grabalosa Gándara
Physics , 2014,
Abstract: Charmless B hadrons decays offer rich opportunities to test the Standard Model. CP violation in charmless charged two-body and three-body B decays provides ways to measure the CKM angle $\gamma$ and to search for New Physics. Also, vector-vector final states provide additional interesting observables. Hereby, we present the latest LHCb results on hadronic charmless B decays putting emphasis on the direct CP violation measurements.
Progress in revolutionary propulsion physics
Marc G. Millis
Physics , 2011,
Abstract: Prior to 1988, traversable wormholes were just science fiction. Prior to 1994, warp drives were just fiction. Since then, these notions matured into published scientific discourse, where key issues and unknowns continue to be raised and investigated. In 2009, the American Institute of Aeronautics and Astronautics published a peer-reviewed, expansive technical volume on these and other investigations toward breakthrough propulsion. This paper summarizes the key assertions from that 739-page volume, describing the collective state-of-the-art and candidate research steps that will lead to discovering if, or how, such breakthroughs might finally be achieved. Coverage includes: prerequisites for space drive physics, manipulating gravity or inertia for propulsion, lessons from superconductor experiments, null results with "lifters", implications of photon momentum in media, quantum vacuum physics, and the faster-than-light implications of general relativity and quantum non-locality.
Energy, incessant obsolescence, and the first interstellar missions
Marc G. Millis
Physics , 2011,
Abstract: Projections for the earliest interstellar mission possibilities are calculated based on 27 years of data on historic energy trends, societal priorities, required mission energy, and the implications of the Incessant Obsolescence Postulate (Where newer probes pass prior probes). Two sample missions are considered: launching a minimal colony ship where destination is irrelevant, and sending a minimal probe to Alpha Centauri with a 75 year mission duration. The colony ship is assumed to have a mass of 10^7 kg, and the probe 10^4 kg. It is found that the earliest interstellar missions could not begin for roughly another 2 centuries, or 1 century at best. Even when considering only the kinetic energy of the vehicles without any regard for propellant, the colony ship cannot launch until around the year 2200, and the probe cannot launch until around 2500. Examination of the Incessant Obsolesce Postulate shows that it becomes irrelevant under several conditions.
Assessing Hypothetical Gravity Control Propulsion
Marc G. Millis
Physics , 2006,
Abstract: Gauging the benefits of hypothetical gravity control propulsion is difficult, but addressable. The major challenge is that such breakthroughs are still only notional concepts rather than being specific methods from which performance can be rigorously quantified. A recent assessment by Tajmar and Bertolami used the rocket equation to correct naive misconceptions, but a more fundamental analysis requires the use of energy as the basis for comparison. The energy of a rocket is compared to an idealized space drive for the following cases: Earth-to-orbit, interstellar transit, and levitation. The space drive uses 3.6 times less energy for Earth to orbit. For deep space travel, space drive energy scales as the square of delta-v, while rocket energy scales exponentially. This has the effect of rendering a space drive 150-orders-of-magnitude better than a 17,000-sec Specific Impulse rocket for sending a modest 5000 kg probe to traverse 5 light-years in 50 years. Indefinite levitation, which is impossible for a rocket, could conceivably require 62 MJ/kg for a space drive. Assumption sensitivities and further analysis options are listed to guide further inquires.
脑成像在心理学研究领域的价值
Richard Gonzalez,Marc G. Berman
心理学报 , 2010,
Abstract: 现在普遍使用的脑成像技术给心理学研究增加了新的数据和资料。和任何新的方法一样,我们需要决定如何以适当的方式应用这项技术。这项技术如何以现有的方法所不能的方式帮助回答理论问题 这项技术最好是作为因变量还是作为预测变量来使用 它如何与其它感兴趣的心理变量相关 这种新的成像技术有助于我们了解大脑的运作及其与心理学的关系。研究人员需要弄清楚如何利用这项技术提供的信息加深对心理现象的理解。
Faire la ville en couleurs.
Maie Gérardot,Marc Dumont
EspacesTemps.net , 2009,
Abstract: La couleur dans la ville est un ouvrage remarquable préfacé par Michel Pastoureau, l’historien spécialiste des couleurs (du bleu au noir , son dernier opus), lequel a notamment révélé à travers ses recherches les variations perceptives des couleurs dans les sociétés suivant les époques. Celui-ci campe d’emblée la teneur du propos, rappelant les manières différentes dont les villes ont historiquement utilisé les couleurs, insistant, en passant, sur le r le ...
Stiffest Elastic Networks
Gérald Gurtner,Marc Durand
Physics , 2008, DOI: 10.1209/0295-5075/87/24001
Abstract: The rigidity of a network of elastic beams crucially depends on the specific details of its structure. We show both numerically and theoretically that there is a class of isotropic networks which are stiffer than any other isotropic network with same density. The elastic moduli of these \textit{stiffest elastic networks} are explicitly given. They constitute upper-bounds which compete or improve the well-known Hashin-Shtrikman bounds. We provide a convenient set of criteria (necessary and sufficient conditions) to identify these networks, and show that their displacement field under uniform loading conditions is affine down to the microscopic scale. Finally, examples of such networks with periodic arrangement are presented, in both two and three dimensions.
Transport on coupled spatial networks
Richard G. Morris,Marc Barthelemy
Physics , 2012, DOI: 10.1103/PhysRevLett.109.128703
Abstract: Transport processes on spatial networks are representative of a broad class of real world systems which, rather than being independent, are typically interdependent. We propose a measure of utility to capture key features that arise when such systems are coupled together. The coupling is defined in a way that is not solely topological, relying on both the distribution of sources and sinks, and the method of route assignment. Using a toy model, we explore relevant cases by simulation. For certain parameter values, a picture emerges of two regimes. The first occurs when the flows go from many sources to a small number of sinks. In this case, network utility is largest when the coupling is at its maximum and the average shortest path is minimized. The second regime arises when many sources correspond to many sinks. Here, the optimal coupling no longer corresponds to the minimum average shortest path, as the congestion of traffic must also be taken into account. More generally, results indicate that coupled spatial systems can give rise to behavior that relies subtly on the interplay between the coupling and randomness in the source-sink distribution.
Interdependent networks: the fragility of control
Richard G. Morris,Marc Barthelemy
Physics , 2013,
Abstract: Recent work in the area of interdependent networks has focused on interactions between two systems of the same type. However, an important and ubiquitous class of systems are those involving monitoring and control, an example of interdependence between processes that are very different. In this Article, we introduce a framework for modelling distributed supervisory control in the guise of an electrical network supervised by a distributed system of control devices. The system is characterised by degrees of freedom salient to real-world systems--- namely, the number of control devices, their inherent reliability, and the topology of the control network. Surprisingly, the behavior of the system depends crucially on the reliability of control devices. When devices are completely reliable, cascade sizes are percolation controlled; the number of devices being the relevant parameter. For unreliable devices, the topology of the control network is important and can dramatically reduce the resilience of the system.
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