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C3P--Comprehensive Conceptual Curriculum for Physics
C3P is a curriculum project designed to implement research from physics education into high school physics courses and is supported by an NSF grant. The offices of C3P are located at the University of Dallas. Project is run by Richard Olenick.
http://phys.udallas.edu/
Physics Central
Find out how physics is part of your world. We answer your questions on how things work and keep you informed with daily updates on physics in the news. We describe the latest research and the people who are doing it and show you physics in action.
http://www.physicscentral.com
UMass Physics Education Research Group (UMPERG)
PER at University of Massachusetts, Amherst. Our website provides perspectives on pedagogy, educational research results, applications to teaching, and curriculum materials.
http://umperg.physics.umass.edu/