1. Yes. When (I hope soon or at least in my life time). Benefits (simple knowledge). Dangers (same answer).
2. Yes. Welcome
3. Because I want to help. I beleive we are not alone and should know for sure.
I like the project because it has the ability to let anyone who wants to get involved get involved.
SETI@home and Astropulse are funded by grants from the National Science Foundation, NASA, and donations from SETI@home volunteers. AstroPulse is funded in part by the NSF through grant AST-0307956.
