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Quantum Wave Interference
When do photons, electrons, and atoms behave like particles and when do they behave like waves? Watch waves spread out and interfere as they pass through a double slit, then get detected on a screen as tiny dots. Use quantum detectors to explore how measurements change the waves and the patterns they produce on the screen.
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The Photoelectric Effect
See how light knocks electrons off a metal target, and recreate the experiment that spawned the field of quantum mechanics.
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Sampling
Sampling is a computer tool designed to help biology students obtain a qualitative understanding of basic concepts related to estimation and statistics. Sampling presents the user with a group of hypothetical populations distributed throughout an area, and with tools for sampling these populations to estimate characteristics such as population size and density, the nature of each population's spatial patterning, and spatial correlations in abundance between populations. By manipulating the numb
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3D FractaL-Tree
This interactive L-system simulation produces visualizations of tree forms based on data from specimens in the field or laboratory.
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Viewing the Periodic Table of the Elements with X-rays
X-rays and x-ray fluorescence are not new subjects to the field of physics. Wilhelm Röntgen discovered x-rays in 1895, and in 1901 he was awarded the very first Nobel Prize in physics for this discovery. Soon after, Charles Glover Barkla discovered that each element has its own characteristic x-ray spectrum. He was awarded a Nobel Prize in physics for this discovery in 1917. Sir William Henry Bragg and his son, Sir William Lawrence Bragg, were then able to experimentally prove that the discrete
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Peer 2 Peer University
The Peer 2 Peer University (P2PU) is an online community of open study groups for short university-level courses. Think of it as online book clubs for open educational resources. The P2PU helps you navigate the wealth of open education materials that are out there, creates small groups of motivated learners, and supports the design and facilitation of courses. Students and tutors get recognition for their work, and we are building pathways to formal credit as well. Currently P2PU is in a pilot
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Hands on the Land Teaching Materials
Hands on the Land (HOL) is a network of field classrooms stretching across America from Alaska to Florida. HOL is sponsored by Partners in Resource Education, a collaboration of five Federal agencies, a non-profit foundation, schools, and other private sector partners. Public lands comprise approximately one-third of the acreage of the U.S., and you'll soon see they are rich in historical, archaeological and environmental learning opportunities. Through the HOL network of field classrooms, Feder
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Quantum Field Theory
The first free comprehensive textbook on quantum (and classical) field theory. The approach is pragmatic, rather than traditional or artistic: It includes practical techniques, such as the 1/N expansion (color ordering) and spacecone (spinor helicity), and diverse topics, such as supersymmetry and general relativity, as well as introductions to supergravity and strings. The PDF version can be more convenient than paper books, with Web links and a clickable outline (contents) window.
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Where Am I: Navigation and Satellites
How do we know where we are? What happens if you are completely lost in the middle of nowhere? Does technology provide tools for people lost in their travels? A person cannot usually determine an accurate position just by looking out a window in the middle of the ocean or vast area of land, particularly if it has not been charted before. In this lesson, students explore the concept of triangulation that is used in navigation satellites and global positioning systems designed by engineers. Also,
Author(s): Janet Yowell,Jay Shah,Malinda Schaefer Zarske

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Rights not set

U.S. may tap oil reserves
U.S. officials worried skyrocketing gas prices may dent the nascent economy recovery, say the White House is considering a release of oil from the strategic petroleum reserve.
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UN slaps sanctions on Libyan leaders
The United Nations Security Council has imposed "biting sanctions" on Libyan leader Muammar Gaddafi and his close aides.
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11 Feb 2011: Scientia Conference on Research and Innovation in Undergraduate Natural Science and Eng
A conference on Research and Innovation in Undergraduate Science and Engineering Education will be hosted by Scientia, an interdisciplinary faculty institute, on the campus of Rice University, a leading research university with a distinctive commitment to undergraduate education. The goals of the conference are to promote a diverse community focused on learning and to cultivate exceptional teaching. The conference will focus on new developments in pedagogy for first and second year undergradua
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Writing Introduction in SAT Reading Test
Writing Introduction in SAT Reading Test - Structure and scoring analysis of the SAT Writing section. This is a very brief clip. (01:17)
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Checklist - Work Placement
This is a resource released as part of the E-Portfolio Toolkit based on experience of developing the “Year Abroad E-Portfolio”, undertaken by the School of Languages at Leeds Metropolitan University.
Author(s): Mara Fuertes-Gutiérrez,Juan Muñoz López,Janet P

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http://creativecommons.org/licenses/by-nc-sa/3.0/

Sugar cane field, Gulf Coast Station
Sugar cane field on the Gulf Coast Agricultural Experiment Station. From the J.C. Lowery agronomy slide collection. For more slides, visit Auburn University Libraries Special Collections and Archives.,Kodachrome color slide
Author(s): Lowery, J. C.

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This image is the property of the Auburn University Libraries and is intended for non-commercial use. Users of the image are asked to acknowledge the Auburn University Libraries. For information about

Language Features - Introduction
Richard Baldwin
This tutorial lesson is the first in a series of lessons dedicated to the AP Computer Science A Exam. The purpose of the series is to help you to better understand the Java Subset specifications […]

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tests
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Angry Egyptians stranded in Tunisia
Angry Egyptians who fled chaos in Libya remain stranded in Tunisia, and without the help of their government they don't know how they'll now get home.
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