1. Yes . Maybee Never, the universe is an awfully big place. Worst fear of finding alien life, proable they might carry a desease that wipes half of us out, or us them.
2. dont know.
3. cause i love the idea of a distributed parralle processing job. plus we (humans) like to dream about adventure. I think its great ! I really hope you find something.
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.