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American Association for the Advancement of ScienceAmerican Association of Physics TeachersAmerican Astronomical SocietyAmerican Institute of PhysicsAmerican Physical SocietyAstronomical Society of the PacificGordon Research ConferencesNASANational Science Foundation
HyperPhysics SiteLANL e-print ArchivePhysics CentralPhysical Review FocusPhysics Today Buyer's Guide (Search)PRLScience NewsScientific AmericanLinks to physics departments in the U.S.Math, Physics and Engineering applets