So you think you can tell; Heaven from Hell; Blue skies from pain. Can you tell a green field from a cold steel rail? A smile from a vail. Do you think you can tell?
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.