Principals\u27 Perspectives on Visual Arts Subject Allocation and Value

Research indicates there are unique benefits for students\u27 learning in the visual arts and creative skills learned in the art studio teach students what is needed to be successful in the 21st century. Many schools reduce allocation time for quality visual arts. Although current federal and state policy indicates that visual art is a core subject, it is treated at times as enrichment. To teach the whole child, there needs to be a balance of subjects and equal access for students. In this qualitative study three themes emerged: I ) Principals view the visual arts as a core subject, 2) Three factors cause a broad allocation of the visual arts and affect principals\u27 decision making: (a) time is taken from the visual arts for the other tested core subjects with underachieved standardized test scores, (b) pressure from parents to have students achieve high grades to get into perceived good post-secondary schools, (c) the visual arts sharing the same allocation with all the arts, and 3) Visual arts help students learn through experiences with risk and creativity. The study recommendations include: 1) art specialists advocate about the research-based benefits for students learning through the visual arts to administration, parents, community, and policy makers; 2) the lessened allocation time for the visual arts needs reconsideration; 3) underachieving students need additional services during subject times but not at the expense of their visual arts learning; and 4) all students must be given visual arts access and opportunities

Mother Confessor

From the Washington University Senior Honors Thesis Abstracts (WUSHTA), 2017. Published by the Office of Undergraduate Research. Joy Zalis Kiefer, Director of Undergraduate Research and Associate Dean in the College of Arts & Sciences; Lindsey Paunovich, Editor; Helen Human, Programs Manager and Assistant Dean in the College of Arts and Sciences Mentor: Richard Chapma

Akimotoite to perovskite phase transition in MgSiO 3

Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/94612/1/grl18182.pd

A study of the observed shift in the peak position of olivine Raman spectra as a result of shock induced by hypervelocity impacts

Kuebler et al. (2006) identified variations in olivine Raman spectra based upon the composition of individual olivine grains, leading to identification of olivine composition from Raman spectra alone. However, shock on a crystal lattice has since been shown to result in a structural change to the original material, which produces a shift in the Raman spectra of olivine grains compared with the original un-shocked olivine (Foster et al., 2013). This suggests that the use of the compositional calculations from the Raman spectra, reported in Kuebler et al. (2006), may provide an incorrect compositional value for material that has experienced shock. Here we have investigated the effect of impact speed (and hence peak shock pressure) on the shift in the Raman spectra for San Carlos olivine (Fo91) impacting Al. foil. Powdered San Carlos olivine (grain size 1 to 10 ?m) was fired at a range of impact speeds from 0.6 – 6.1 km s-1 (peak shock pressures 5 – 86 GPa) at Al. foil to simulate capture over a wide range of peak shock pressures. A permanent change in the Raman spectra was found to be observed only for impact speeds greater than ~5 km s-1. The process that causes the shift is most likely linked to an increase in the peak pressure produced by the impact, but only after a minimum shock pressure associated with the speed at which the effect is first observed (here 65 – 86 GPa). At speeds around 6 km s-1 (peak shock pressures ~86 GPa) the shift in Raman peak positions is in a similar direction (red shift) to that observed by Foster et al. (2013) but of twice the magnitude

Light Yield in DarkSide-10: a Prototype Two-phase Liquid Argon TPC for Dark Matter Searches

As part of the DarkSide program of direct dark matter searches using liquid argon TPCs, a prototype detector with an active volume containing 10 kg of liquid argon, DarkSide-10, was built and operated underground in the Gran Sasso National Laboratory in Italy. A critically important parameter for such devices is the scintillation light yield, as photon statistics limits the rejection of electron-recoil backgrounds by pulse shape discrimination. We have measured the light yield of DarkSide-10 using the readily-identifiable full-absorption peaks from gamma ray sources combined with single-photoelectron calibrations using low-occupancy laser pulses. For gamma lines of energies in the range 122-1275 keV, we get consistent light yields averaging 8.887+-0.003(stat)+-0.444(sys) p.e./keVee. With additional purification, the light yield measured at 511 keV increased to 9.142+-0.006(stat) p.e./keVee.Comment: 10 pages, 7 figures, Accepted for publication in Astroparticle Physic

Kulturen des Entscheidens

Der Band thematisiert Entscheiden als eine soziale Praxis, die keineswegs selbstverständlich sondern in hohem Maße voraussetzungsvoll ist und die mit unterschiedlichen Zumutungen einhergeht. Entscheiden nimmt je nach sozialen Umständen ganz unterschiedliche Formen an und unterliegt demnach dem historischen Wandel. Die Beiträge des Bandes gehen anhand ausgewählter Fallbeispiele, die vom mittelalterlichen Europa bis hin zum gegenwärtigen Indien reichen, unterschiedlichen Aspekten von Kulturen des Entscheidens nach. Sie nehmen Narrative und Praktiken des Entscheidens ebenso in den Blick wie den Einsatz von Ressourcen in Prozessen des Entscheidens und diskutieren Ansätze, Entscheiden in einer geistes- und kulturwissenschaftlichen Perspektive zu analysieren. Der Band zeigt so die vielfältigen Möglichkeiten auf, wie Entscheiden untersucht werden kann, wenn dieses als eine historisch wandelbare soziale Praxis und als kulturell diverses Phänomen begriffen wird