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- Path: sparky!uunet!hotmomma!brent!jeff.kling
- From: jeff.kling@brent.uucp (Jeff Kling)
- Newsgroups: rec.arts.sf.misc
- Subject: RE: TERRITORIAL DISPUTES
- Message-ID: <1707.360.uupcb@brent.uucp>
- Date: 22 Dec 92 01:31:00 GMT
- Distribution: world
- Organization: The Brentwood BBS Harrison, NY 914-835-7898
- Reply-To: jeff.kling@brent.uucp (Jeff Kling)
- Lines: 14
-
- -> Wrong. The signal declines as 1/r^2. It has been computed that two
- -> Arecibo-sized antennas, with existing transmitter and receiver, could
- -> communicate with one another across the galaxy (if they were pointed
- -> in the right direction). Any society that has starships will have
- -> even more energy to play with, of course.
-
- 1/r^2? Please elaborate. And then there is the matter of how to stop
- objects at an appreciable fraction of C even if you know about them.
- I am not saying .999 of C, just a large percentage. And a mass the size
- of, oh, let's say about a mile in diameter - composed mostly of iron and
- nickel - an asteroid.
-
- J
-
-