52,688 research outputs found
Communication and dementia: how talking mats can help people with dementia to express themselves
Connecting elders by facilitating mobility
A key aspect of staying connected is the ability to travel and visit friends and family, yet mobile situations often pose difficulties for the older population. In this paper, we discuss how technology can support older people on the move, describing work which we have done and are doing in this area and outlining some of the challenges that lie ahead. We focus on providing support for navigation, which is a key part of travel, and outline some of the results of our work, showing that electronic aids can effectively help older people with this activity
Maser Flare Simulations from Oblate and Prolate Clouds
We investigated, through numerical models, the flaring variability that may
arise from the rotation of maser clouds of approximately spheroidal geometry,
ranging from strongly oblate to strongly prolate examples. Inversion solutions
were obtained for each of these examples over a range of saturation levels from
unsaturated to highly saturated. Formal solutions were computed for rotating
clouds with many randomly chosen rotation axes, and corresponding averaged
maser light curves plotted with statistical information. The dependence of
results on the level of saturation and on the degree of deformation from the
spherical case were investigated in terms of a variability index and duty
cycle. It may be possible to distinguish observationally between flares from
oblate and prolate objects. Maser flares from rotation are limited to long
timescales (at least a few years) and modest values of the variability index
(), and can be aperiodic or quasi-periodic. Rotation is therefore
not a good model for HO variability on timescales of weeks to months, or of
truly periodic flares.Comment: 11 pages, 12 figures, accepted for publication in MNRA
Sexual Objectification Increases Rape Victim Blame and Decreases Perceived Suffering
Sexual objectification changes the way people view women by reducing them to sexual objects—denied humanity and an internal mental life, as well as deemed unworthy of moral concern. However, the subsequent consequences of sexually objectifying others remain underresearched. In the current study, we examined the impact of objectification in the domain of sexual assault. Sixty British undergraduate students were recruited to complete an impression formation task. We manipulated objectification by presenting participants with either a sexualized or nonsexualized woman. Participants rated the woman’s mind and the extent to which they felt moral concern for her. They then learned that she was the victim of an acquaintance rape and reported victim blame and both blatant and subtle perceptions of her suffering. Consistent with prior research, sexualized women were objectified through a denial of mental states and moral concern. Further, compared with nonobjectified women, the objectified were perceived to be more responsible for being raped. Interestingly, although no difference emerged for blatant measures of suffering, participants tacitly denied the victims’ suffering by exhibiting changes in moral concern for the victim. We conclude that objectification has important consequences for how people view victims of sexual assault. Our findings reveal that sexual objectification can have serious consequences and we discuss how these might influence how victims cope and recover from sexual assault
Hydrodynamic air lubricated compliant surface bearing for an automotive gas turbine engine. 1: Journal bearing performance
A 38.1 mm (1.5 inch) diameter Hydresil Compliant Surface Air Lubricated Journal Bearing was designed and tested to obtain bearing performance characteristics at both room temperature and 315 C (600 F). Testing was performed at various speeds up to 60,000 rpm with varying loads. Rotating sensors provided an opportunity to examine the film characteristics of the compliant surface bearing. In addition to providing minimum film thickness values and profiles, many other insights into bearing operation were gained such as the influence of bearing fabrication accuracy and the influence of smooth foil deflection between the bumps
The role of non-gray model atmospheres in the evolution of low mass metal poor stars
Gray model atmospheres are generally considered a reasonable approximation to make upon stars of mass greater than about 0.6 M-circle dot. Here we show that non-gray atmospheres can significantly affect evolutionary models, with masses up to 0.9 M-circle dot. The effect of including a non-gray atmosphere is strongest in the pre-main and post-main Sequence. This may have implications for the ages of the oldest globular clusters
Continuous breakdown of Purcell's scallop theorem with inertia
Purcell's scallop theorem defines the type of motions of a solid body -
reciprocal motions - which cannot propel the body in a viscous fluid with zero
Reynolds number. For example, the flapping of a wing is reciprocal and, as was
recently shown, can lead to directed motion only if its frequency Reynolds
number, Re_f, is above a critical value of order one. Using elementary
examples, we show the existence of oscillatory reciprocal motions which are
effective for all arbitrarily small values of the frequency Reynolds number and
induce net velocities scaling as (Re_f)^\alpha (alpha > 0). This demonstrates a
continuous breakdown of the scallop theorem with inertia.Comment: 6 pages, 1 figur
Current status of one- and two-dimensional numerical models: Successes and limitations
The capabilities of one and two-dimensional numerical solar cell modeling programs (SCAP1D and SCAP2D) are described. The occasions when a two-dimensional model is required are discussed. The application of the models to design, analysis, and prediction are presented along with a discussion of problem areas for solar cell modeling
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