These are just a few of the physics web sites that I have visited and subsequently bookmarked. The list is virtually endless! Enjoy!
If one is non-functional, email kwillims@mac.com, I'll try to remove the link, thanks!

• Optically Stimulated Luminescent Dosimeters (Landauer, Stillwater, OK)
• Activ Physics Online DEMOS
• NASA Open Video Project
• Optical Illusions...dozens of them
  
• Comet Hale-Bopp
• ESO Hale-Bopp Info
• Periodic Table
• Physics Internet Resources
• Yahoo Physics Search
• Galaxy Science-Physics search
• Pintet Plus (AIP)
• AIP Job Opportunities
• Laser Light Shows
• NASA Spacelink
• AIP Physics News
• Index of pub/anim/space
• http://whyfiles.news.wisc.edu/020radiation/hiroshima1.html
• http://www.geog.umd.edu/homepage/courses/345/3
• http://www.orcbs.msu.edu/radiation/radhistory/ernestlawrence.html
• http://www.accessexcellence.org/AE/AEC/CC/radioactivity.html
• http://www.accessexcellence.org/AE/AEC/CC/historical_background.html
• http://www.siuh.edu/radoncologoy/linear.html
• http://www.lucidcafe.com/lucidcafe/library/95nov/curie.html