38,886 research outputs found
School Finance Litigation: The Viability of Bringing Suit in the Rhode Island Federal District Court
Viewpoints of elementary principals and their teachers concerning teachers' meetings as they are conducted within schools in five Massachusetts towns
Thesis (Ed.M.)--Boston Universit
Technological agglomeration and the emergence of clusters and networks in nanotechnology
Based on the analysis of two clusters in nanotechnologies (MESA+ in the Netherlands and Minatec in Grenoble in France), the paper examines the emergence and effects of technological agglomeration. The social and technical arrangements of a regional centre for nanotechnology both enable and constrain the ongoing activities and research lines that can be followed. Technology platforms and their co-location are a pre-requisite for nanotechnology research and agglomeration of such platforms are both a means and outcome for institutional entrepreneurs to mobilise resources, build networks and construct regional centres of excellence in nanotechnology. Technological agglomeration shapes the networks that evolve and leads to the convergence of scientific disciplines.TECHNOLOGICAL AGGLOMERATION;TECHNOLOGY PLATFORM;CLUSTER;DISTRICT; CONVERGING TECHNOLOGY;MULTILEVEL ACTIVITIES
The expected background spectrum in NaI dark matter detectors and the DAMA result
Detailed Monte Carlo simulations of the expected radioactive background rates
and spectra in NaI crystals are presented. The obtained spectra are then
compared to those measured in the DAMA/NaI and DAMA/LIBRA experiments. The
simulations can be made consistent with the measured DAMA spectrum only by
assuming higher than reported concentrations of some isotopes and even so leave
very little room for the dark matter signal. We conclude that any
interpretation of the annual modulation of the event rate observed by DAMA as a
dark matter signal, should include full consideration of the background
spectrum. This would significantly restrict the range of dark matter models
capable of explaining the modulation effect.Comment: 17 pages, 6 figure
Boys and girls come out to play: Gender differences in children\u27s play patterns
This paper presents findings from The Irish Neighbourhood Play Study; a national, cross-border research project which recorded children’s play patterns in Ireland during 2012. The study incorporated 1688 families across 240 communities. This study recorded the play patterns of children in Ireland aged birth-14 years. The findings of the study are discussed here in the context of gendered patterns. Particular emphasis is placed on the skill differences developed through various play choices. These differences are explored within the context of established literature on the learning strengths of boys and girls. Established bodies of literature on children’s learning across gender lines has long been engaged in the debate about whether these differences are biological or socially constructed. This paper offers a parallel question; Are gender differences within learning, constructed through play choices within childhood?
©IATED (2017). Reproduced in Research Online with permission
Long-range triplet proximity effect in multiply connected ferromagnet-superconductor hybrids
Applying the linearized Usadel equations, we consider the nucleation of
superconductivity in multiply connected mesoscopic superconductor/ferromagnet
(S/F) hybrids such as a thin superconducting ring on a ferromagnet with a
uniform in-plane magnetization M and a spin-active S/F interface. We
demonstrate that the exchange field in F provokes a switching between
superconducting states with different vorticities which may increase the
critical temperature ( Tc ) of the superconductor in a magnetic field. We study
the interplay between oscillations in Tc due to the Little--Parks effect and
oscillations in Tc induced by the exchange field. Furthermore, we analyse the
influence of long-range spin-triplet correlations on the switching between
different vorticities.Comment: 11 pages, 7 figure
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