2nd Annual USA Science & Engineering Festival, April 28th & 29th, Washington, D.C.
If you have some free time this weekend, head over to the 2nd Annual USA Science & Engineering Festival, in Washington, D.C. The best part, besides the super-awesome exhibits? It's free!
For details, visit the website at http://www.usasciencefestival.org/. And if you attend? Let us know how what you thought of the Festival.