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Author Topic: (ISG) You are an AI in charge of an asteroid - It lives!  (Read 45693 times)

wierd

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Re: (ISG) You are an AI in charge of an asteroid - It lives!
« Reply #1065 on: September 22, 2018, 05:53:16 am »

We are in space.  Specifically, space without any light sources (other than the temporary incandescence of the accretion disk of the black hole).

If we have the resources, we should use a fluid that is both non-flammable, AND lacks a solid phase (or at least, a solid phase that is close to absolute zero...), that has a low boiling point.  Something like liquid helium would be ideal if it were not for the expensive containment due to its superfluidity. (but that might be useful too.)

Superfluid liquid helium in a heat-exchanger network would cause nearly instant "flow" through the network when there is a temperature gradient at any place along the network. This could be exploited to extract energy from any part of the system being heated, as well as allowing us to radiate thermal waste into space as IR photons very readily.  (Compare-- Heat-pipe tech, filled with liquid helium held under tremendous pressure.  The superfluidity of the liquid helium would cause it to coat, and then flow, based on thermal expansion of the liquid, along the walls of the heat pipe.)  We could then terminate this network with some nice heat-sinks at regular intervals along the surface of the asteroid. 

We still need to construct small-scale alcubierre drive equipped drones containing a highly fusionable raw material in storage tanks, and a suitable reactor with sufficient drift-tube length for fast moving drones to "pop in" and "pop out" of causal reality after ejecting their accelerated cargo.

(think, very long tubes inside a very heavy-walled linear fusion reactor. We send the probes into the ergosphere with a suitable cargo, and they gain momentum compared to the outside environment due to the rotation of the black hole.  They can then activate their drive, and escape normal causal spacetime from inside the ergosphere. They will still have the mass-energy potential they have collected in the ergopshere.  They re-enter normal spacetime in a position and vector that causes them to travel down the reactant tubes of the reactor. They jettison their cargo, which slows them back down.  Their very high-speed cargo continues down the tube to the reaction chamber.  They use their engines to once again leave normal reality, and escape the reactant tube to be refilled, and relaunched into the ergosphere again.  This is done consistently and repeatedly.  Many times the mass energy of the initial mass investment could be harvested from the black hole's rotational momentum this way, and when it collides at 90 deg angles inside the reaction chamber, that energy will be liberated as a shower of particles and energy, with a net positive gain in mass. Since we dont have to sacrifice mass like with the penrose process, we can harvest much more than 20% of the black hole's momentum as mass energy.)
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auzewasright

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Re: (ISG) You are an AI in charge of an asteroid - It lives!
« Reply #1066 on: October 12, 2018, 09:09:38 pm »

discover a coolant replacement
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Imic

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Re: (ISG) You are an AI in charge of an asteroid - It lives!
« Reply #1067 on: October 18, 2018, 07:07:59 am »

I was going to suggest something, but this just became way too science non-fictional for me.
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KittyTac

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Re: (ISG) You are an AI in charge of an asteroid - It lives!
« Reply #1068 on: October 18, 2018, 07:32:34 am »

I was going to suggest something, but this just became way too science non-fictional for me.
This is a weird game. Either it's soft SF or it's hard SF.
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