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Anders Sandberg, Stuart Armstrong, Milan Cirkovic "That is not dead which can eternal lie: the aestivation hypothesis for resolving Fermi’s paradox"
If a civilization wants to maximize computation it appears rational to
aestivate until the far future in order to exploit the low temperature environment:
this can produce a 1030 multiplier of achievable computation.
We hence suggest the “aestivation hypothesis”: the reason we are not
observing manifestations of alien civilizations is that they are currently
(mostly) inactive, patiently waiting for future cosmic eras. This paper
analyzes the assumptions going into the hypothesis and how physical law
and observational evidence constrain the motivations of aliens compatible
with the hypothesis.
"SETI  "  Lovecraft  aliens  science 
9 days ago by bryanalexander
Why the search for alien technology is about to get much more efficient
The search for alien technology is about to get much more efficient.I’ve bet a cup of coffee to any and all that by 2035 we’ll…
astronomy  aliens 
16 days ago by geetarista
We're Not Living in a Computer Simulation, New Research Shows - Slashdot
A team of theoretical physicists from Oxford University in the UK has shown that life and reality cannot be merely simulations generated by a massive extraterrestrial computer. The finding -- an unexpectedly definite one -- arose from the discovery of a novel link between gravitational anomalies and computational complexity. In a paper published in the journal Science Advances, Zohar Ringel and Dmitry Kovrizhi show that constructing a computer simulation of a particular quantum phenomenon that occurs in metals is impossible -- not just practically, but in principle. The pair initially set out to see whether it was possible to use a technique known as quantum Monte Carlo to study the quantum Hall effect -- a phenomenon in physical systems that exhibit strong magnetic fields and very low temperatures, and manifests as an energy current that runs across the temperature gradient. The phenomenon indicates an anomaly in the underlying space-time geometry. [...] They discovered that the complexity of the simulation increased exponentially with the number of particles being simulated. If the complexity grew linearly with the number of particles being simulated, then doubling the number of partices would mean doubling the computing power required. If, however, the complexity grows on an exponential scale -- where the amount of computing power has to double every time a single particle is added -- then the task quickly becomes impossible.
physics  slashdot  quantum  Aliens 
17 days ago by gardencat
Hux did all right for himself for a while. Then he fell in love.
Fanfiction  AO3  hollycomb  Complete  Star_Wars  mpreg  aliens  Relationship 
20 days ago by mongognom
From the Last to the First - Chapter 1 - hiddencait - Aliens (1986) [Archive of Our Own]
Ripley, Hicks, Bishop, and Newt have survived the hell on LV-426, and they wake from hypersleep thinking they're home free. However, with a sudden invasion of a squad of marines, a company bitch, and one intimidating agent, the new family finds themselves taken into custody and under investigation for half a dozen crimes Weyland-Yutani claims they've committed. They'll need the help of old allies and new friends if they ever want to free themselves and find something like home.
aliens  ripley/hicks  fix-it 
5 weeks ago by unread

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