Organizations
From Physics
- American Association of Physics Teachers (http://www.aapt.org)
- American Physical Society (http://www.aps.org)
- Optical Society of America (http://www.osa.org)
- American Institute of Physics (http://www.aip.org)
- Institute of Physics (http://www.iop.org) similar to AIP based in England
- Good answer to the question "What is physics?" (http://en.wikipedia.org/wiki/Physics)
