VMSL: Virtual Mass Spectrometry Laboratory
This site presents a series of case studies that can be explored using modern mass spectrometry methods. The problem-solving nature of the site provides students a virtual laboratory experience that can supplement access to mass spectrometry instrumentation.
Author(s): Joseph J. Grabowski

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NASA KSNN What is gravity?
Gravity is one of the fundamental forces of nature. No one really understands exactly why, but gravity is a force that pulls objects toward each other. The mass of the objects and distance between the objects affects the strength of the force of gravity. Greater masses attract with more force and the force weakens as the objects get further apart.
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NASA KSNN Is water important for all living things?
Explore the importance of water for living things and analyze and compare a variety of fruits and vegetables based upon the mass of water in these foods.
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NASA KSNN Is flying a plane in a videogame like flying a real plane?
Learn more about simulators through this video newsbreak and demonstrate the purpose of using simulators. Explore the importance of water for living things and analyze and compare a variety of fruits and vegetables based upon the mass of water in these foods
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Pendulum Lab
Play with one or two pendulums and discover how the period of a simple pendulum depends on the length of the string, the mass of the pendulum bob, and the amplitude of the swing. It's easy to measure the period using the photogate timer. You can vary friction and the strength of gravity. Use the pendulum to find the value of g on planet X. Notice the anharmonic behavior at large amplitude.
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Projectile Motion
Blast a Buick out of a cannon! Learn about projectile motion by firing various objects. Set the angle, initial speed, and mass. Add air resistance. Make a game out of this simulation by trying to hit a target.
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Lunar Lander
Can you avoid the boulder field and land safely, just before your fuel runs out, as Neil Armstrong did in 1969? Our version of this classic video game accurately simulates the real motion of the lunar lander with the correct mass, thrust, fuel consumption rate, and lunar gravity. The real lunar lander is very hard to control.
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Two Particle Elastic Collision Model
The EJS Elastic Collision Model allows the user to simulate a two-dimensional elastic collision between hard disks. The user can modify the mass, position and velocity of each disk using the sliders. Both disks are draggable and the center of mass is shown a a cross in the simulation.
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Urban Nomads
China is a country in superlative transition. Media attention focuses primarily on the economic miracle and burgeoning political power, while the interwoven and critically important story of mass human migration remains a postscript. Driven from crumbling countryside economics, 200 million Chinese have moved to the cities, serving as cogs in an engine powering unprecedented growth. Though they are changing every facet of Chinese life, these internal migrants are, by law and practice, second-clas
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Web Gaphic Organizer
This short video discusses how to use a web as a graphic organizer.  While the topic being webbed, the U.S. Constitution, is for older students, the concept can still be useful for the younger ones as well. (1:48)
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17.471 American National Security Policy (MIT)
This course examines the problems and issues confronting American national security policymakers and the many factors that influence the policies that emerge. But this is not a course about "threats," military strategies, or the exercise of military power. What threatens those interests? How should the U.S. defend those interests? What kind of military should we build? Should the U.S. enter into alliances with other countries? Do we need a larger Navy? How much should we spend on weapons procure
Author(s): Meyer, Steve

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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

CSET Science Subtest I: Forces and Motion

The University of California, Irvine Extension, supported by generous grants from the William and Flora Hewlett Foundation and The Boeing Company, is developing online courses to prepare science and mathematics teachers for the California Subject Examinations for Teachers (CSET). This module i
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CSET Science Subtest I: Optics and Waves

The University of California, Irvine Extension, supported by generous grants from the William and Flora Hewlett Foundation and The Boeing Company, is developing online courses to prepare science and mathematics teachers for the California Subject Examinations for Teachers (CSET). This module i
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Terror and Consent: The Wars for the Twenty-First Century
The threat of terrorism is now part of the landscape of daily lives all over the world, yet we have hardly begun to think properly about it. In his new book Terror and Consent and in this lecture Professor Bobbitt argues that we are fighting these wars with weapons and concepts which though useful to us in previous conflicts have now been superseded. He aims to provide a fundamental rethinking of most generally accepted ideas about terror in the modern world - what it is, how it operates and ab
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Living in an era of global terror
In this podcast, Professor Richard Aldrich from the School of Politics and International Relations, discusses the impact of globalisation, the opportunities this affords to global terrorists and the challenges faced by the intelligence services. Globalisation has led to a free flow of money, people and ideas, which has benefited many people in the West in recent years and enhanced our standard of living, but the price paid is a reduction in security. As we see a shift towards a de-regulated glob
Author(s): Aldrich Richard Professor

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http://creativecommons.org/licenses/by-nc-sa/2.0/uk/

Schools Demining Schools
Land mines are silent, secret weapons. They have been placed in over 60 countries around the world. In this web site, you can learn about these dangerous weapons and how you can help make the world safe from land mines.
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Welcome the Youth Congress Pilgrims Cabaret and Floor Show announcement
Cultural Activities;International Workers Order; Progressive Club;Flyer promoting floor shows featuring the Evans Family and the I.W.O. Three Keys.
Author(s): United Youth Organizations

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http://www.library.pitt.edu/libraries/archives/policies/guidelines.html

Lecture 20 - 5/13/2009
Lecture 20
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Solving Systems of Equations by Substitution
This lesson is for ntermediate Algebra Level.  In the lesson, Professor Burger shows how to solve systems of equations using a technique known as substitution. In this approach, students solve one equation for one of the variables (eg y) and then plug the value (what y is equal to) into into the other equation (anywhere a y appears). This substitution will allow you to solve for x and then in turn solve for y.  Professor Burger walks the viewer  through several different types of
example

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Looking Back and Ahead: the Meadowlands and New Jersey Sports Complex (Part 1)
This event is a part of the Eagleton Institute for Politics's Program on the Governor. For more information please visit their website: http://governors.rutgers.edu/
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