1,465 research outputs found

    “It’s Good to Be Shifty”: The Local Democracies of Old Southwestern Humor

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    This essay reassesses representative texts of the popular antebellum tradition known as Old Southwestern Humor—among them Augustus Baldwin Longstreet’s Georgia Scenes (1835), Johnson Jones Hooper’s Adventures of Captain Simon Suggs (1845), and George Washington Harris’s Sut Lovingood: Yarns Spun by a Durn’d Fool (1867)— arguing for a new point of departure from the level of locality and with special attention to democratic decision making. Most nation-oriented readings portray the humor of the Old Southwest either as a regional subset supplementing nationalization via print culture or as reactionary polemics rejecting the impingements of nation, market capitalism, urbanization, or modernity. This essay, instead, reads these fictions in terms of locality and for their articulations of alternative democratic socialities. These socialities, Emerson argues, evidence local decision making existing alongside or outside the abstracting, normalizing tendencies of elitist republican ideology; they are unreceptive to traditional social hierarchies and civic institutions that supplement the Constitutionally managed nation-state; and they often engage in a more radical version of democracy characterized by dialogical negotiations in immediate spaces and temporalities. Unyoked from the nation and its norms, these local episodes yield an unexpected trove of alternative democratic positions in the mid-nineteenth century. In addition to new readings of the primary texts, Emerson concludes with some consideration of their circulation in print culture across the country and their subsequent impact on democracy in the national imaginary

    George Lippard’s \u3cem\u3eThe Quaker City\u3c/em\u3e: Disjointed Text, Dismembered Bodies, Regenerated Democracy

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    This essay argues that George Lippard’s The Quaker City (1844–1845), originally published in ten separate numbers, is best understood when read more consistently with Lippard’s own mid-production assessment: that he was producing two different books, a novel and its sequel. Doing so reveals that the target of Lippard’s unruly social protest transitions away from a nation-framed story featuring the seduction of an innocent woman and the moral degradation of a community in which such a crime would be possible, to a broader complaint in the sequel against the lack of democratic power and agency at the local level. I start by reconstructing the disjointed composition and publication-in-parts schedule of The Quaker City, along with some historical developments that might have led to its changed course, in order to highlight Lippard’s shifting design and the narrative’s vernacular aesthetics. Turning to the narrative, I explore how the shifting trajectory between novel and sequel becomes most compelling in Lippard’s treatment of printed texts/print culture and bodies/body politic, two entities frequently evoked in the cultivation and understanding of national (imagined) community. In Lippard’s imaginative revision, the sequel thus grapples with alternative political possibilities that discard faith in nation-scaled remedies and instead works through the complexities of a regenerated, localized democracy

    SDSSJ143244.91+301435.3 at VLBI: a compact radio galaxy in a narrow-line Seyfert 1

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    We present VLBI observations, carried out with the European Very Long Baseline Interferometry Network (EVN), of SDSSJ143244.91+301435.3, a radio-loud narrow-line Seyfert 1 (RLNLS1) characterized by a steep radio spectrum. The source, compact at Very Large Array (VLA) resolution, is resolved on the milliarcsec scale, showing a central region plus two extended structures. The relatively high brightness temperature of all components (5x10^6-1.3x10^8 K) supports the hypothesis that the radio emission is non-thermal and likely produced by a relativistic jet and/or small radio lobes. The observed radio morphology, the lack of a significant core and the presence of a low frequency (230 MHz) spectral turnover are reminiscent of the Compact Steep Spectrum sources (CSS). However, the linear size of the source (~0.5kpc) measured from the EVN map is lower than the value predicted using the turnover/size relation valid for CSS sources (~6kpc). This discrepancy can be explained by an additional component not detected in our observations, accounting for about a quarter of the total source flux density, combined to projection effects. The low core-dominance of the source (CD<0.29) confirms that SDSSJ143244.91+301435.3 is not a blazar, i.e. the relativistic jet is not pointing towards the observer. This supports the idea that SDSSJ143244.91+301435.3 may belong to the "parent population" of flat-spectrum RLNLS1 and favours the hypothesis of a direct link between RLNLS1 and compact, possibly young, radio galaxies.Comment: 8 pages, 3 figures, accepted for publication in MNRA

    Multi-Objective Optimization of a Turbofan for an Advanced, Single-Aisle Transport

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    Considerable interest surrounds the design of the next generation of single-aisle commercial transports in the Boeing 737 and Airbus A320 class. Aircraft designers will depend on advanced, next-generation turbofan engines to power these airplanes. The focus of this study is to apply single- and multi-objective optimization algorithms to the conceptual design of ultrahigh bypass turbofan engines for this class of aircraft, using NASA s Subsonic Fixed Wing Project metrics as multidisciplinary objectives for optimization. The independent design variables investigated include three continuous variables: sea level static thrust, wing reference area, and aerodynamic design point fan pressure ratio, and four discrete variables: overall pressure ratio, fan drive system architecture (i.e., direct- or gear-driven), bypass nozzle architecture (i.e., fixed- or variable geometry), and the high- and low-pressure compressor work split. Ramp weight, fuel burn, noise, and emissions are the parameters treated as dependent objective functions. These optimized solutions provide insight to the ultrahigh bypass engine design process and provide information to NASA program management to help guide its technology development efforts

    First report on proliferative kidney disease (PKD) in marble trout (Salmo trutta marmoratus, Cuvier 1817)

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    Proliferative kidney disease is a hyperplastic response of the principal lymphoid tissue of salmonid fish infected by Tetracapsidoides bryosalmonae, a myxozoan parasite. This parasite affects many rainbow trout farms in Europe and North America. The disease has also been reported in other salmonids as well as in pike (Esox lucius) and grayling (Thymallus thymallus). In autumn 2000, an outbreak of PKD induced mortality in a group of marble trout (Salmo trutta marmoratus) juveniles reared in a farm in north-east Italy. The fish were intended to restock public waters. Diseased fish showed a lethargic behaviour, skin darkening, abdominal dilatation, gill anaemia and, after necroscopy, increase in volume and a pale colour of the kidney. All fishes subjected to histological examination showed a marked granulomatous interstitial nephritis, as well as foci of pancreatic and hepatic necrosis. The immunohistochemistry and PAS stain allowed visualisation of the extrasporogonic phase of the parasite Tetracapsuloides bryosalmonae in several tissues of the host. This is the first reported outbreak of PKD in marble trout, and should receive full attention since this species is potentially under risk of extinction

    Low Noise Cruise Efficient Short Take-Off and Landing Transport Vehicle Study

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    The saturation of the airspace around current airports combined with increasingly stringent community noise limits represents a serious impediment to growth in world aviation travel. Breakthrough concepts that both increase throughput and reduce noise impacts are required to enable growth in aviation markets. Concepts with a 25 year horizon must facilitate a 4x increase in air travel while simultaneously meeting community noise constraints. Attacking these horizon issues holistically is the concept study of a Cruise Efficient Short Take-Off and Landing (CESTOL) high subsonic transport under the NASA's Revolutionary Systems Concepts for Aeronautics (RSCA) project. The concept is a high-lift capable airframe with a partially embedded distributed propulsion system that takes a synergistic approach in propulsion-airframe-integration (PAI) by fully integrating the airframe and propulsion systems to achieve the benefits of both low-noise short take-off and landing (STOL) operations and efficient high speed cruise. This paper presents a summary of the recent study of a distributed propulsion/airframe configuration that provides low-noise STOL operation to enable 24-hour use of the untapped regional and city center airports to increase the capacity of the overall airspace while still maintaining efficient high subsonic cruise flight capability

    Ionization history of the cosmic plasma in the light of the recent CBI and future PLANCK data

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    The paper is devoted to the methods of determination of the cosmological parameters from recent CMB observations. We show that the more complex models of kinetics of recombination with a few "missing" parameters describing the recombination process provide better agreement between measured and expected characteristics of the CMB anisotropy. In particular, we consider the external sources of the Ly-{alpha} and Ly-{c} radiation and the model with the strong clustering of baryonic component. These factors can constrain the estimates of the cosmological parameters usually discussed. We demonstrate also that the measurements of polarization can improve these estimates and, for the precision expected for the PLANCK mission, allow to discriminate a wide class of models.Comment: 25 pages, 7 figures, extended and corrected after the referee report. Accepted in Ap

    Modelling of ultrasound transmission through a solid-liquid interface comprising a network of gas pockets

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    International audienceUltrasonic inspection of sodium-cooled fast reactor requires a good acoustic coupling between the transducer and the liquid sodium. Ultrasonic transmission through a solid surface in contact with liquid sodium can be complex due to the presence of microscopic gas pockets entrapped by the surface roughness. Experiments are run using substrates with controlled roughness consisting of a network of holes and a modeling approach is then developed. In this model, a gas pocket stiffness at a partially solid-liquid interface is defined. This stiffness is then used to calculate the transmission coefficient of ultrasound at the entire interface. The gas pocket stiffness has a static, as well as an inertial component, which depends on the ultrasonic frequency and the radiative mass

    A universal preference for animate agents in hominids

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    When conversing, humans instantaneously predict meaning from fragmentary and ambiguous mspeech, long before utterance completion. They do this by integrating priors (initial assumptions about the world) with contextual evidence to rapidly decide on the most likely meaning. One powerful prior is attentional preference for agents, which biases sentence processing but universally so only if agents are animate. Here, we investigate the evolutionary origins of this preference, by allowing chimpanzees, gorillas, orangutans, human children, and adults to freely choose between agents and patients in still images, following video clips depicting their dyadic interaction. All participants preferred animate (and occasionally inanimate) agents, although the effect was attenuated if patients were also animate. The findings suggest that a preference for animate agents evolved before language and is not reducible to simple perceptual biases. To conclude, both humans and great apes prefer animate agents in decision tasks, echoing a universal prior in human language processing
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