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Persistence and Change in the Black Forest Ethnic Dress Tradition
Hughes, Amy S.,Torntore, Susan J.,Ogle, Jennifer Paff The Korean Society of Costume 2015 International journal of costume and fashion Vol.15 No.1
The ethnic dress of Germany's Black Forest, called Tracht, dates back to the 16th century. Although most people living within the Black Forest do not presently wear Trachten, some persistence in this tradition exists. This study explored the factors that have supported the persistence of the Trachten tradition, specifically related to the wearing and crafting of Trachten by women, in a contemporary society. A qualitative, ethnographic approach was adopted. Data were collected via observations and interviews in the Black Forest. Thematic analyses revealed that the maintenance of the Trachten tradition was linked to varied factors that revolved around the overarching themes of both persistence and change. Interpretations were supported by theory proposing that ethnic dress is not static, but rather, changes across space and time in ways that enable its persistence. The persistence of the Trachten tradition was linked to formalized practice, meaningful identities, and desires to preserve and promote local culture. Additionally, the persistence of the Trachten tradition was fostered by change in the tradition, including the conceptualization of Trachten as a "lived practice" and the negotiation of Trachten authenticity.
STRINGENT LIMITS ON THE POLARIZED SUBMILLIMETER EMISSION FROM PROTOPLANETARY DISKS
Hughes, A. Meredith,Wilner, David J.,Cho, Jungyeon,Marrone, Daniel P.,Lazarian, Alexandre,Andrews, Sean M.,Rao, Ramprasad IOP Publishing 2009 The Astrophysical journal Vol.704 No.2
<P>We present arcsecond-resolution Submillimeter Array (SMA) polarimetric observations of the 880 mu m continuum emission from the protoplanetary disks around two nearby stars, HD 163296 and TW Hydrae. Although previous observations and theoretical work have suggested that a 2%-3% polarization fraction should be common for the millimeter continuum emission from such disks, we detect no polarized continuum emission above a 3 sigma upper limit of 7 mJy in each arcsecond-scale beam, or <1% in integrated continuum emission. We compare the SMA upper limits with the predictions from the exploratory Cho & Lazarian model of polarized emission from T Tauri disks threaded by toroidal magnetic fields, and rule out their fiducial model at the similar to 10 sigma level. We explore some potential causes for this discrepancy, focusing on model parameters that describe the shape, magnetic field alignment, and size distribution of grains in the disk. We also investigate related effects like the magnetic field strength and geometry, scattering off of large grains, and the efficiency of grain alignment, including recent advances in grain alignment theory, which are not considered in the fiducial model. We discuss the impact each parameter would have on the data and determine that the suppression of polarized emission plausibly arises from rounding of large grains, reduced efficiency of grain alignment with the magnetic field, and/or some degree of magnetic field tangling ( perhaps due to turbulence). A poloidal magnetic field geometry could also reduce the polarization signal, particularly for a face-on viewing geometry like the TW Hya disk. The data provided here offer the most stringent limits to-date on the polarized millimeter-wavelength emission from disks around young stars.</P>
Charles A. Hughes 학습전략중재학회 2010 학습전략중재연구 Vol.1 No.2
Hughes 교수는 이 학회지의 지난 호에 학습전략의 내용 자체만큼이나 학습전략 교수방법이 왜 중요한가를 논의하였었다. 이번 호의 논문에서는 학습전략을 학습장애 학생들에게 가르치는 데에 관련된 두 가지 측면을 제시하고 있다. 첫째로는 초등학교 고학년들과 같은 어린 학생들도 학습전략 교수로부터 이득을 볼 수가 있다는 것과 이를 위해서는 교사들이 나이 든 학생들을 가르치기 위해 개발된 교수절차를 수정해야 할 필요가 있음을 제시하고 있다. 이에 따라 어떻게 교수적 수정을 해야 하는가에 대해 구체적으로 설명하고 있다. 둘째로는 교사가 필요하다고 생각되는 학습전략을 직접 개발하는 방법으로서 학습전략 개발의 9단계를 제시하고 있다. 교사가 학습전략 개발방법을 안다는 것은 학생들의 요구를 충족시키기 위해 중요하며, 학습전략 개발방법을 모른다면 교사들은 학습전략 개발을 저술하는 기회를 가질 수가 없을 것이다. 따라서 학습전략 교수의 또 다른 주요 측면으로서 어떻게 학습전략을 개발하는가에 대한 지식은 교사와 학습장애 학생 모두에게 이득을 줄 수 있다.
An Australia Telescope Compact Array 20-cm radio continuum study of the Large Magellanic Cloud
Hughes, A.,Staveley-Smith, L.,Kim, S.,Wolleben, M.,Filipović,, M. Blackwell Publishing Ltd 2007 MONTHLY NOTICES- ROYAL ASTRONOMICAL SOCIETY Vol.382 No.2
<P>ABSTRACT</P><P>We present a mosaic image of the 1.4-GHz radio continuum emission from the Large Magellanic Cloud (LMC) observed with the Australia Telescope Compact Array (ATCA) and the Parkes Telescope. The mosaic covers <IMG SRC='http://onlinelibrary.wiley.com/store/10.1111/j.1365-2966.2007.12466.x/asset/equation/MNR_12466_mu1.gif?v=1&s=3c55d39c3da8b7009e1ce58371b88f172bd55796'/> with an angular resolution of 40 arcsec, corresponding to a spatial scale of ∼10 pc in the LMC. The final image is suitable for studying emission on all scales between 40 arcsec and the surveyed area. In this paper, we discuss (i) the characteristics of the LMC's diffuse and compact radio continuum emission, (ii) the fraction of the emission produced by thermal processes and the implied star formation rate in the LMC and (iii) variations in the radio spectral index across the LMC. Two non-standard reduction techniques that we used to process the ATCA visibility data may be of interest for future wide-field radio continuum surveys. The data are open to the astronomical community and should be a rich resource for studies of individual objects such as supernova remnants, H <SMALL>II</SMALL> regions and planetary nebulae as well as extended features such as the diffuse emission from synchrotron radiation.</P>