The American Institute of Physics (AIP) offers quite a bit of information on current trends in physics, and the role physics can play in modern society. It is also home to a host of professional physics societies, many of which are listed below.
- Acoustical Society of America
- American Association of Physicists in Medicine
- American Association of Physics Teachers
- American Astronomical Society
- American Crystallographic Association
- American Physical Society
- American Vacuum Society
- Optics Net, a service of the Optical Society of America
The AIP is also home to the Society of Physics Students, a group promoting the development and interests of students in the sciences - primarily Physics.
Other Sites of Interest
Here's a great site for astronomical images and links to other Astro sites. It's the SEDS WWW Site. By the way, SEDS stands for "Students for the Exploration and Development of Space."
- American Journal of Physics
- IEEE: Advanced Technology for Humanity (Electrical Engineering)
- SPIE: International Society for Optics and Photonics (Photonics: almost everything related to light.)