Pitch and Frequency
To further their understanding of sound energy, students identify the different pitches and frequencies created by a vibrating ruler and a straw kazoo. They create high- and low-pitch sound waves.
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Study Habits: Six Important Tips
Six important things that students should do to improve their school performance. This three minute video reviews the most important elements that a students need to do each day and is an excellent video to show at the beginning of the school year.
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Lesson 301: Basics reviewed – dialogue
In this lesson we will review some basic points with dialogues. This kind of lessons will be given as a story about what someone will face when coming to Brazil. This is intended to help you out to...

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Rock Cycle
Through five lessons, students are introduced to all facets of the rock cycle. Topics include rock and mineral types, material stresses and weathering, geologic time and fossil formation, the Earth's crust and tectonic plates, and soil formation and composition. Lessons are in the context of the related impact on humans in the form of roadway and tunnel design and construction, natural disasters, environmental site assessment for building structures, and measurement instrumentation and tools. Ha
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VDW / Marie-Hélène Bouju et Christophe Ruetch

VDW / Marie-Hélène Bouju et Christophe Ruetch. In "Images & mirages @ nanosciences", colloque international organisé par le Laboratoire Interdisciplinaire Solidarités, Sociétés, Territoires (LISST) de l'Université Toulouse II-Le Mirail, le Centre d'Élaboration de Matériaux et d'Études Structurales (CEMES) rattaché à l'Institut de Physique du CNRS et le Laboratoire de Physique et Chimie de Nano-Objets (LPCNO) de l'INSA Toulouse. Université Toulouse II
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The Future of Nagorno-Karabakh
Still a controversial topic, Nagorno-Karabakh, according to Pulitzer Center's grantee Will Englund, is a de facto independent state but internationally recognized as part of Azerbaijan. Englund presents different faces of Karabakh while narrating the Karabakhis' struggles and yearning for peace and recognition.
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Sea Surface Wind Anomalies in the North Atlantic
Sea surface wind anomalies (based on QuikSCAT data) from 31 December 2003 illustrate the wind patterns that exist during a North Atlantic Oscillation. The wind data has been processed using the Variational Analysis Method (VAM).
Author(s): David Adamec,Greg Shirah

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Creating a Supportable and Maintainable System
Warren Myers
The most important aspect of any systems project - whether an individual tool, a product release, or a site-specific implementation - is that it is supportable: the right kind of documentation, […]

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6.1 Perspectives on managing

My focus in this section is on the M ball being juggled by a systems practitioner. My purpose is to enable you to appreciate the diversity of activities that might constitute managing. More specifically, I am concerned with the type of managing a systems practitioner might undertake. When you began Part 3, Section 4, I asked you to complete an activity (Activity 40) in which you used a spray diagram to record the di
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Licensed under a Creative Commons Attribution - NonCommercial-ShareAlike 2.0 Licence - see http://creativecommons.org/licenses/by-nc-sa/2.0/uk/ - Original copyright The Open University

Cómputo de Alto Rendimiento
JOSE ENRIQUE ALVAREZ ESTRADA
El propósito de este libro, High Performance Computing siempre ha sido enseñar a los nuevos programadores y científicos las bases del Cómputo de Alto Rendimiento. Este […]
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Rayleigh-Taylor Instabilities in Supernovae Explosions: Helium Mass Fraction
The following calculation shows the development and evolution of Rayleigh-Taylor instabilities which develop behind the supernova blast wave on a time scale of a few hours. The initial model was chosen to provide a good representation for the progenitor star for Supernova 1987A. The calculation was performed using the Piecewise-Parabolic Method for hydrodynamics on a two-dimensional spherical grid with rotational symmetry about the vertical axis and equatorial symmetry about the horizontal axis.
Author(s): Bruce Fryxell,Dave Arnett,Ewald Muller,Pamela ONei

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How do you feel?
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Moody, M. (September 2011). Superintendent–Board Relations: Understanding the Past to Promote the
Michael Moody
This article provides an historical analysis of the origins and development of boards of education as well as superintendents of schools. It provides the reader with a better insight into the […]

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Collection #6554
UNSPECIFIED - UNSPECIFIED Keywords:UNSPECIFIED
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Portraits of Named Enlisted Civil War Men
This is a list of all known photographs in the organized collections of the Prints & Photographs Division that depict named Civil War soldiers with the rank of private, corporal, or sergeant.
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Sulfur Dioxide emission from Mt Pinatubo Eruption June 1991
This animation shows sulfur dioxide in the stratosphere during the Mt. Pinatubo Eruption and for a few weeks after the eruption. Stratospheric SO2 dissipates rather quickly compared to volcanic ash and stratospheric H2SO4.
Author(s): Jay Herman,Lori Perkins,Richard McPeters

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SWIB12-LightningTalks3
By: SWIB SWIB12-2012-11-28-1530-LightningTalks3
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The week ahead: US and them

How will Putin react after America expels 60 Russian diplomats? Also, the latest developments in Catalonia’s quest for independence. And, on the anniversary of the Good Friday Agreement a special feature from our Britain Editor, Tom Wainwright. Christopher Lockwood hosts.


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And the Academy Award goes to... the iPhone?
Dec. 21 - With its HD camera and built-in editing, the Iphone 5 is behind some surprisingly sophisticated new videos. But is a smartphone good enough to replace a real camera? Reuters finds out.
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Authors@Google: Father Greg Boyle
Fr. Gregory Boyle visited Google's Santa Monica office on Aug 11, 2011 to discuss his book "Tattoos on the Heart: The Power of Boundless Compassion." This talk took place as part of the Authors@Google series.
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