1,882 research outputs found

    Oral History Interview: Clarence S. and Mary Wilson Rule

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    This interview is one of a series conducted concerning West Virginia coal mining. Born in Fayette County, West Virginia, Mr. Rule began working in the coal mines at the age of twelve. He later worked for the railroad. Mrs. Rule, a former school teacher, was born in Doddridge County, West Virginia. In 1973, Mr. and Mrs. Rule were living in Beckley, West Virginia. Topics discussed include: childhood, their marriage, teaching, mining, and the railroad.https://mds.marshall.edu/oral_history/1104/thumbnail.jp

    Spotlight on Edward de Bono Thinking Skills and Twice-Exceptional Gifted Learners Applied to Mars Mysteries in NASA Photographs

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    This editorial provides background information concerning the lessons presented in the eight practical articles of this issue. All of these lessons address Mars Mysteries, anomalous features found in NASA photographs of the Martian surface. These unusual and thought-provoking features are explored by using Edward de Bono CoRT thinking skills to broaden perceptions enhancing critical and creative thinking. The lessons are intended to explore possibilities, but not to provide a definite final answer as to what the anomalies represent. These lessons were designed as enrichment lessons for gifted learners and support Renzulli’s Type I general exploratory experiences that expose students to a variety of issues not usually addressed by the school curriculum. These lessons also fit with Type II skill lessons because they focus on the de Bono thinking skills. Additionally, individual lessons are each designed to meet the needs of twice-exceptional gifted learners, containing lesson design features that assist gifted learners with specific disabilities or exceptionalities. Finally, each lesson includes a brief integrated arts project to synthesize the concepts discussed, expressing individual conclusions. Arts were integrated to foster engagement, increased level of attention, joy, and self-expression

    Editorial: Arts Integration Allows Students the Opportunity to be Original

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    This editorial explores the other six articles in this issue 2 of volume 3 of the Journal of STEM Arts, Crafts, and Constructions to examine how originality is displayed and supported by art projects. Originality, is a quality or a characteristic of an idea, approach or product. Originality can be defined as newness or novelty. To be classified as original, an idea must be new. It does not have to have a utilitarian value, which is a requirement for an idea to be categorized as creative. Helping students develop originality is important because it allows the freedom to make any connections, even nonsensical ones, which can result in bursts of unusual, and even creative ideas that may have been rejected, had the requirement of a value for a particular field been present. The editorial provides examples of projects from the literature that focused on originality and a diversity of responses. The articles in this issue are examined for originality examples. All articles showed evidence of student originality in the accompanying art projects. The editors suggest that art projects integrated with STEM subjects are an effective way to provide motivating self-affirming opportunities for expression of originality in the classroom

    All Over Nothing At All : Fox Trot Song

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    https://digitalcommons.library.umaine.edu/mmb-vp/4150/thumbnail.jp

    Environmental Print Activities for Teaching Mathematics and Content Areas

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    Twenty-three mathematics activities that use environmental print materials are presented, along with two activities that focus on music education, one that highlights history concepts, and five science activities. The environmental print materials are words and images cut from food or other product packaging and mounted on mat board cards. Instructions for teachers regarding material preparation are given, along with directions for students to engage in each activity. Example layouts and labels for materials boxes are given for each activity. Mathematical topics include: more and less; numeration; addition and subtraction; time words; forming patterns; writing equations; story problems; chart coordinates; percents; fractions; measurement abbreviations; coins; liquid measurement; symmetry designs; Venn diagrams; volume and area of geometric solids; factors; permutations; and probability. The two music activities focus on rhythm. The history activity discusses ideas and items related to the taxation of the thirteen colonies. The five science activities include the following concepts: living versus nonliving; ecology food pyramid; distinguishing proteins, carbohydrates, and lipids; potential versus kinetic energy; and fossils in geologic time. (Author

    Magnetic field-induced phase transitions in a weakly coupled s = 1/2 quantum spin dimer system Ba3_{3}Cr2_{2}O8_{8}

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    By using bulk magnetization, electron spin resonance (ESR), heat capacity, and neutron scattering techniques, we characterize the thermodynamic and quantum phase diagrams of Ba3_3Cr2_2O8_8. Our ESR measurements indicate that the low field paramagnetic ground state is a mixed state of the singlet and the Sz_z = 0 triplet for H⊥cH \perp c. This suggests the presence of an intra-dimer Dzyaloshinsky-Moriya (DM) interaction with a DM vector perpendicular to the c-axis

    Instability of Magnons in Two-dimensional Antiferromagnet at High Magnetic Fields

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    Spin dynamics of the square lattice Heisenberg antiferromagnet, \BaMnGeO, is studied by a combination of bulk measurements, neutron diffraction, and inelastic neutron scattering techniques. Easy plane type antiferromagnetic order is identified at T≤4.0T \le 4.0 K. The exchange interactions are estimated as J1J_1 = 27.8(3)μ{\mu}eV and J2J_2 = 1.0(1) μ{\mu}eV, and the saturation field HCH_{\rm C} is 9.75 T. Magnetic excitation measurements with high experimental resolution setup by triple axis neutron spectrometer reveals the instability of one magnon excitation in the field range of 0.7HC≲H≲0.85HC0.7H_{\rm C} \lesssim H \lesssim 0.85H_{\rm C}.Comment: 5 pgase, 5 figuers, to be published in PRB R

    Nature of the spin dynamics and 1/3 magnetization plateau in azurite

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    We present a specific heat and inelastic neutron scattering study in magnetic fields up into the 1/3 magnetization plateau phase of the diamond chain compound azurite Cu3_3(CO3_3)2_2(OH)2_2. We establish that the magnetization plateau is a dimer-monomer state, {\it i.e.}, consisting of a chain of S=1/2S = 1/2 monomers, which are separated by S=0S = 0 dimers on the diamond chain backbone. The effective spin couplings Jmono/kB=10.1(2)J_{mono}/k_B = 10.1(2) K and Jdimer/kB=1.8(1)J_{dimer}/k_B = 1.8(1) K are derived from the monomer and dimer dispersions. They are associated to microscopic couplings J1/kB=1(2)J_1/k_B = 1(2) K, J2/kB=55(5)J_2/k_B = 55(5) K and a ferromagnetic J3/kB=−20(5)J_3/k_B = -20(5) K, possibly as result of dz2d_{z^2} orbitals in the Cu-O bonds providing the superexchange pathways.Comment: 5 pages, 4 figure
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