111 research outputs found

    Moral agency: an embodied narrative approach

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    In this thesis I propose that emotions and rationality are integrated, and jointly constitute our moral agency. I argue against the influential ‘sentimentalist’ claim that emotions are the only constituents of the moral reasons for which we act, by showing that emotions are inextricably bound up with our sensory and conceptual capacities. In contrast, I propose we act for moral reasons when we act in light of the narratives we create and understand. Narrative understanding here is the capacity to inhabit a chain of events. It is embodied and action-­‐ orientated, and is co-­‐constituted through our emotional, conceptual and sensory capacities

    Escaping a migrant metropolis: Post-Soviet urbanization through the art project Nasreddin in Russia

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    This article narrates the politics of escape from borders and labour discipline in a post-Soviet migrant metropolis drawing on the art-activism project Nasreddin in Russia. It explores the relation between control and autonomy in urban migrations through a trans-aesthetics: a set of visual and verbal stories weaving together experiences and outcomes of the art project with academic debates on late capitalist urbanization. The encounter of artistic practices and migrants’ embodied, everyday struggles to inhabit the city, it is suggested, has potential for disrupting the disciplinary and exclusionary effects of capitalist transformations and migration enforcement. This is made visible through transient spaces of escape in which the everyday lives and social worlds of migrants, constrained by the precarization of labour and by the multiplication and diversification of bordering practices, are reclaimed through laughter, mobility and care. This point is illustrated by focusing on three such spaces and practices: trickster politics in the housing market, acts of disidentification and care work on the city ‘as a body.’ The article offers a methodologically innovative contribution to ongoing debates on aesthetic political economy, cities and borders and artistic and activist interventions in global cities.Peer reviewe

    Search for Gravitational Waves from Low Mass Compact Binary Coalescence in LIGO's Sixth Science Run and Virgo's Science Runs 2 and 3

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    We report on a search for gravitational waves from coalescing compact binaries using LIGO and Virgo observations between July 7, 2009 and October 20, 2010. We searched for signals from binaries with total mass between 2 and 25 solar masses; this includes binary neutron stars, binary black holes, and binaries consisting of a black hole and neutron star. The detectors were sensitive to systems up to 40 Mpc distant for binary neutron stars, and further for higher mass systems. No gravitational-wave signals were detected. We report upper limits on the rate of compact binary coalescence as a function of total mass, including the results from previous LIGO and Virgo observations. The cumulative 90%-confidence rate upper limits of the binary coalescence of binary neutron star, neutron star- black hole and binary black hole systems are 1.3 x 10^{-4}, 3.1 x 10^{-5} and 6.4 x 10^{-6} Mpc^{-3}yr^{-1}, respectively. These upper limits are up to a factor 1.4 lower than previously derived limits. We also report on results from a blind injection challenge.Comment: 11 pages, 5 figures. For a repository of data used in the publication, go to: . Also see the announcement for this paper on ligo.org at: <http://www.ligo.org/science/Publication-S6CBCLowMass/index.php

    John Searle

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    Many Labs 5:Testing pre-data collection peer review as an intervention to increase replicability

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    Replication studies in psychological science sometimes fail to reproduce prior findings. If these studies use methods that are unfaithful to the original study or ineffective in eliciting the phenomenon of interest, then a failure to replicate may be a failure of the protocol rather than a challenge to the original finding. Formal pre-data-collection peer review by experts may address shortcomings and increase replicability rates. We selected 10 replication studies from the Reproducibility Project: Psychology (RP:P; Open Science Collaboration, 2015) for which the original authors had expressed concerns about the replication designs before data collection; only one of these studies had yielded a statistically significant effect (p < .05). Commenters suggested that lack of adherence to expert review and low-powered tests were the reasons that most of these RP:P studies failed to replicate the original effects. We revised the replication protocols and received formal peer review prior to conducting new replication studies. We administered the RP:P and revised protocols in multiple laboratories (median number of laboratories per original study = 6.5, range = 3?9; median total sample = 1,279.5, range = 276?3,512) for high-powered tests of each original finding with both protocols. Overall, following the preregistered analysis plan, we found that the revised protocols produced effect sizes similar to those of the RP:P protocols (?r = .002 or .014, depending on analytic approach). The median effect size for the revised protocols (r = .05) was similar to that of the RP:P protocols (r = .04) and the original RP:P replications (r = .11), and smaller than that of the original studies (r = .37). Analysis of the cumulative evidence across the original studies and the corresponding three replication attempts provided very precise estimates of the 10 tested effects and indicated that their effect sizes (median r = .07, range = .00?.15) were 78% smaller, on average, than the original effect sizes (median r = .37, range = .19?.50)

    Sensitivity Achieved by the LIGO and Virgo Gravitational Wave Detectors during LIGO's Sixth and Virgo's Second and Third Science Runs

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    We summarize the sensitivity achieved by the LIGO and Virgo gravitational wave detectors for low-mass compact binary coalescence (CBC) searches during LIGO's sixth science run and Virgo's second and third science runs. We present strain noise power spectral densities (PSDs) which are representative of the typical performance achieved by the detectors in these science runs. The data presented here and in the accompanying web-accessible data files are intended to be released to the public as a summary of detector performance for low-mass CBC searches during S6 and VSR2-3
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