[ExI] Past and current extropy topics
William Flynn Wallace
foozler83 at gmail.com
Wed Nov 16 21:03:47 UTC 2016
Evolutionary psychology is another topic. It's interesting that a 10
year old paper I wrote is still seeing a lot of downloads.
Would you please provide a link for your paper? Anything on psychology I
would be interested in. bill w
On Wed, Nov 16, 2016 at 2:25 PM, Keith Henson <hkeithhenson at gmail.com>
> If you want a summary of what was discussed back in the early days of
> the list, it's hard to beat Charles Stross's Accelerando. He was on
> the list, might still be for all I know.
> Computronium, Matrioshka brain, planet disintegrating, it's all there.
> Even the exchanges between Hans Maravec and me about the merits of
> cryonics vs authors being reconstructed from their works was turned
> into a plot element toward the end.
> The current topic is that we might have seen one of them. Tabby's
> star radiates no excess IR in our direction, and the light from this
> star has dimmed by 15 percent in the last 100 years, not counting the
> huge dips Kepler saw.
> Are we looking at something natural or are we looking at an alien
> megastructure? A few months before the first paper on KIC8462852, I
> published a design that just happened to radiate the waste heat from a
> power satellite solar north/south. Observers looking edge on at a
> system full of these would not see the IR. If you make the case that
> aliens are dimming the star, what are they doing with the energy?
> Even making the case that the power satellite band is only blocking 1%
> of the star's light, that's a lot of energy. What could they be doing
> with it? At 3% per year growth in energy, use, how far does that put
> them ahead of us?
> Perhaps aliens have another way to cope with waste heat. In theory
> you could dump it down a black hole. We don't think the universe is
> filled with Dyson spheres because we don't see a lot of IR. But it
> aliens have a way to get rid of waste heat besides radiating it, that
> could be the answers to the missing mass problem.
> If this isn't enough, there is a group that claims to have seen
> spectral shifts in the Sloan data for a couple of hundred stars in
> classes similar to that of the Sun. They make a case that the cause
> is big lasers and that it might be attempts to communicate in ways
> that make it cheap on the receiver end.
> I have argued that the natural course for intelligence is to speed up,
> which has the effect of inflating the distances between stars beyond
> reason. Still, if this is the background cause for what we see out
> there, why are there no exceptions? I.e., why are they not here? Is
> the physics that restrictive?
> It's a topic which seems to have little interest here but the whole
> business of moving into space was, long ago, an extropian topic. I
> think there are only two people who are on this list and power
> satellite economics. Now there is a chance that (as a solution to
> energy and carbon) it might be done.
> Evolutionary psychology is another topic. It's interesting that a 10
> year old paper I wrote is still seeing a lot of downloads. Could a
> political political party be based on EP?
> Finally, are we living in the base reality or a simulation? This
> isn't exactly an extropian question though it has been discussed here.
> Best wishes,
> extropy-chat mailing list
> extropy-chat at lists.extropy.org
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