Re: Sol-like system discovered...SETI new directions?

From: Extropian Agroforestry Ventures Inc. (megao@sasktel.net)
Date: Sat Jul 12 2003 - 10:30:16 MDT

  • Next message: Paul Grant: "RE: Sol-like system discovered...SETI new directions?"

    The concept you say might be to modulate and harness the power of a pulsar
    with some much smaller force..... like a gigantic transistor

    Paul Grant wrote:

    > -----Original Message-----
    > From: owner-extropians@extropy.org [mailto:owner-extropians@extropy.org]
    > On Behalf Of Robert J. Bradbury
    > Sent: Thursday, July 10, 2003 11:11 PM
    > To: extropians@extropy.org
    > Subject: Re: Sol-like system discovered...SETI new directions?
    >
    > On Thu, 10 Jul 2003 ABlainey@aol.com wrote:
    > It is also true that to get gravity waves one has to manipulate *very*
    > large masses.
    >
    > Me: or shutter a large mass :) like a signal fire :) Why build the fire
    > when you can misdirect it using a blanket :)
    >
    > That is *very* expensive relative to the manipulation of photons (which
    > effectively have very low masses [based on E = mc^2]).
    >
    > Me: Depends on how you do it :) no doubt an elegant solution is just
    > waiting to be found :) At this point, I wouldn't say its
    > impossible, or even improbable :) Just that more data is needed :) In
    > any event, it certainly is worth examining, if nothing
    > else for the questions it would raise.... As to light, generally
    > coherent light is used as signaling mechanism; however, the
    > same effect (a sheild) could be used for say, the light of a
    > sun(star)...
    >
    > consider the effective size of the sun on our retina...now say I had a
    > shield roughly the size of the moon (the size of the shield
    > would of course, be dependant on the resolution of our telescopes versus
    > the distance to the receiver.... ergo, if we were trying
    > to communicate really far away, you could scale the size of the shield
    > down, and place it in an orbit), I could open or shut
    > it using morse code. certainly anybody looking at the sun would notice
    > my attempt at communication... and you could further
    > enhance said communication system, by aiming additional telescopes
    > (corrected for phase), off stellar clouds of gases
    > and synchronizing a shield-gate system, thus minimizing down time (where
    > other stellar objects blocked the receivers view
    > of the source 'light'). The main reason I don't like this as an
    > approach, is that I suspect that gravity propogates
    > faster :) but the same effect could be generated by skewing the
    > pulse...
    >
    > for instance, say I have a stable stellar object which is generating
    > large gravitational pulses, coded to a particular
    > frequency; say I know where my receiver is; there's no reason why I
    > couldn't have a significantly smaller gravitational
    > force (would probably be energy-based, not matter based) skew the
    > generating source frequency enough to mess up
    > the receivers signal. It would be the equivalent of us agreeing on a
    > stellar object, measuring its frequency, the receiver
    > setting his receiver to that frequency, and us introducing a "drift"
    > from the source transmitter, using the drops as a method
    > of communicating information.
    >
    > Another really interesting question, which just occurred to me, is:
    > does gravity reflect? are their materials which absorb/rebuff gravity...
    > or is it all simply a matter of constructive/destructive interference
    > sans reflection?
    >
    > anyway :) all stuff over my head in any event...for now :P
    >
    > omard-out
    >
    > omard-out



    This archive was generated by hypermail 2.1.5 : Sat Jul 12 2003 - 11:41:50 MDT