The Tradeoff between Economic Output and Environmental Protection
OpenStax College
By the end of this section, you will be able to: Apply the production possibility frontier to evaluate the tradeoff between economic output and the environment […]

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Virtual Maths, Shapes, Space and Measure, Demonstration of a Theodolite Survey in action
Using a theodolite to calculate the height of a building, demonstration 'in the field', includes interactive simulation tools and formulae
Author(s): Leeds Metropolitan University

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{Suresh 595) Present tense related sentences
{Suresh 595) Present tense related sentences वर्त्तमान काल से सम्बंधित वाक्य (Vartmaan kaal se sambandhit vaaky) वह कभी भी मन्दिर नहीं जाता है | (Vah kabhee bhee mandir naheen jaataa […]

STS.310 History of Science (MIT)
This seminar explores recent historiographical approaches within the history of science. Students will read a wide variety of studies covering topics from the seventeenth through the twentieth centuries, from the physical sciences to natural history and medicine. Emphasis will be placed on: deciphering different theoretical approaches; the pros and cons of different research questions, subjects, and sources of evidence; and what makes for good and interesting history of science.
Author(s): Jones, David

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Content within individual OCW courses is (c) by the individual authors unless otherwise noted. MIT OpenCourseWare materials are licensed by the Massachusetts Institute of Technology under a Creative C

Media effect on architectural design
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Author(s): Ataman, Osman

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Forensic Biology and Impression Evidence
CJ386 - Forensic Biology and Impression Evidence This course introduces you to the major contributors to the development of forensic science. In this course, you will explore the science of forensic biology, traditionally known as serology, and the broad scope of laboratory tests used to investigate crimes involving blood and other body fluids. You will learn about the responsibilities of police officers that are first to arrive at a crime scene as well as the role and responsibilities of expert
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The week ahead: February 17th 2012


Author(s): The Economist

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Cu 90, Sn 10 (wt%) bronze, cast annealed
Subsequent to casting this sample was subject to an annealing treatment which served to recrystallise the sample. Evidence of this can be found in the annealing twins visible in several of the grains. These are a consequence of growth accidents during recrystallisation. Their shape is determined by the need to minimise interfacial energy. There is no strain energy associated with such twins and hence they do not have pointed ends.
Author(s): DoITPoMS, University of Cambridge,Dr R F Cochrane,

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Lecture 18 - 11/3/2010
Lecture 18
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Oceanen : Werkbundel
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Dit is een themales rond oceanen waarin de leerlingen aangezet worden tot coöperatief werken.


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Fair Health: Health Inequities Within and Between Countries - A Global Challenge
The 20th century has seen impressive gains in health and life expectancy in many parts of the world – but these improvements are unequally distributed. In every country, poor people and those from socially disadvantaged groups get sicker and die sooner than people in more privileged social positions. Not only is there a gap in health between the best-off and the worst-off in society, there is a gradient in health running between them. This gradient can be linked clearly to social and economic
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How does the Moon affect sleep patterns?


Author(s): The Economist

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Verkeer : Hoekenwerk
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Met de opdrachtkaarten in deze bijdrage kan je een hoekenwerk rond verkeer organiseren in jouw klas. In het hoekenwerk zitten volgende opdrachten:

  • Domino waarin leerlingen de onderdelen van de fiets …

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Committee on Radio Astronomy Frequencies (CRAF)
The Committee on Radio Astronomy Frequencies (CRAF) is an expert committee of the European Science Foundation (ESF) which coordinates activities to ensure that the frequency bands used by radio astronomers are kept free from interference. The CRAF website provides details of its activities and membership, full text handbooks on frequency management and radio astronomy, progress reports, newsletters, conference proceedings, other documents, a conference database, a list of radio astronomy observa
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Mars Reconnaissance Orbiter: The First Months
NASA's Mars Reconnaissance Orbiter (MRO) was launched in 2005 to search for evidence that water persisted on the surface of Mars for a long period of time. While other Mars missions have shown that water flowed across the surface in Mars' history, it remains a mystery whether liquid water existed long enough to provide a habitat for life. After a year’s cruise and aerobraking to reach its science orbit in September 2006, the MRO has begun to study the history of water on Mars with a suite
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Science Montessori Methods
This clip shows how children learn science using the Montessori methods. A teacher explains how Montessori teachers teach science and shows the science center in a classroom.  The teacher discusses various activities to do to teach science. (01:48)

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PubHub: foundation research
PubHub is maintained by the US based independent Foundation Center. It seeks to highlight, link to and raise awareness of recent reports published by American foundations. They cover all areas of philanthropy from education, to disaster relief and social welfare. It is possible to sign up to receive RSS research alerts when new items are added.
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Narrative Models: A Database Approach to Modeling Medieval Cairo
This paper explores the use of three-dimensional simulations to investigate transformations of urban form in medieval Cairo, and lessons about using computers to support historical visualization. Our first attempt to create a single extremely detailed model of Cairo proved unworkable. From this experience we developed a database approach to organizing modeling projects of complex urban environments. The database consists of several complete models at different levels of abstraction. This approa
Author(s): Alsayyad, Nezar, Elliott, Ame and Kalay, Yehuda

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The Greater Than, Less Than Game with Subtraction
Learn how to play and teach the greater than, less than game for practicing arithmetic with expert teaching tips in this kids math games video clip.  The game is well explained, and shows on the screen exactly what to do. This is a great resource to improve math instruction and mastery in the classroom and at home. (1:45)
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MSU Student View: Riley Marshall, Math Learning Center tutor
It's easy to fall behind in math. Each class period builds off of the material from the last one. If a student doesn't understand the material from day six, day seven becomes that much harder. The workload quickly becomes intimidating, even insurmountable. "If you're falling behind, you waited too long," said MSU senior Riley Marshall. "Come to the Math Learning Center for some one-on-one attention before it's too late. It's easy to do math when you're surrounded by math students willing to he
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