} at something (as I believe Michael Lorrey suggested) in the 21 cm band? I'd
} like to hear more of the reasoning behind that choice. Doesn't it rely on a
} rather parochial notion of appropriate biologies?
That they're based on water? Not necessarily parochial at all. The
lifeforms don't have to currently be CHON based, but to have evolved
that way. And I think that band is naturally quiet, so it is both a
simple band people would think of, and easy to hear something there.
} Were I an alien trying to contact scattered friends, I think I'd set up a
} sort of lighthouse that, at freakishly regular intervals, would blast out
Sounds like pulsars. Try a more complex pattern. Primes, Fibonacci,
etc.
Merry part,
-xx- Damien R. Sullivan X-) <*> http://www.ugcs.caltech.edu/~phoenix
Ancient Goth: someone who overthrew the Roman Empire.
Modern Goth: a vegetarian pretending to be a vampire.