Physics
Brookhaven National Laboratory is where I spent many hours while attending college, SUNY at Stony Brook.
CERN is where I worked during the summers while in graduate school, Indiana University.

Programming
Scott Meyers Books are a must for any C++ programmer.
Gamasutra is where you can learn what Game Developers are up to.

Movies
IMDB is where I go to learn more about movies.  Click here to visit my IMDB page.
Slashfilm is my favorite site for movie fans.

Teaching
Red Rocks Community College is where I taught physics and other classes for several years.
http://teachers.net/ is a resource for teachers.