Check out this blog of cool physics java applets falstad.
Physics is published by the American Physical Society to highlight exceptional papers from the Physical Review journals based on edited commentaries from from around the globe.
If you're thinking about a career in physics, or in another science, math, or engineering, you'll find a wealth of useful career planning resources at CareerCornerStone.
Check out the CSU Science blog.
On a lighter note, take a look at xkcd.