Ask an Expert: http://www.askanexpert.com/
Constants and Units:http://physics.nist.gov/cgi-bin/cuu/Info/Constants/definitions.html
Conversions: http://www.convert-me.com/en/
Discoveries and Breakthroughs (newscasts): http://www.aip.org/dbis/
Doerr Library: http://www.muhs.edu/audience/default.aspx?portalid=2
Glossary of Physics
Terms: http://www.geocities.com/physolv/glossary.htm
Internet Search Tools: http://www.bcpl.net/~sullivan/modules/tips/searching.html
NIST: http://physics.nist.gov/cgi-bin/cuu/Info/Constants/definitions.html
Physics Equations: http://www.physicsgre.com/physics-equations.shtml
Physics Facts: http://apphysicsb.homestead.com/physicsfacts.html
Physics Today: http://www.physicstoday.org
Popular Science: http://www.popsci.com/popsci/
Science in the
Headlines: http://www.nas.edu/headlines/
Science News Online: http://www.sciencenews.org/
SCIRUS (Science
Research engine): http://www.scirus.com/
The Internet Library:
http://www.ipl.org/