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Thread: Light has energy. Energy has mass. Mass has gravity. Can we detect it that way?
Post: Light has energy. Energy has mass. Mass has grav...
In theory, if a large amount of radiant energy were traversing space, even though not directed where a single photon of it could ever reach the Argus Array, something like the Argus Array ought to be ... |
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Bear |
General Setting Discussion
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69 |
12-25-2023, 11:08 AM |
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Thread: Halo Drive Travel Network
Post: RE: Halo Drive Travel Network
Accretion discs that blow off massive amounts of energy seem like useful, naturally occuring energy that can be taken advantage of, even at a range too great for significant frame dragging.
Black ... |
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Bear |
General Setting Discussion
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11 |
137 |
12-03-2023, 08:14 AM |
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Thread: Halo Drive Travel Network
Post: RE: Halo Drive Travel Network
I even see sound motivations for parties initially uninvolved to launch copycat streams around the same black hole. |
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Bear |
General Setting Discussion
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11 |
137 |
12-02-2023, 09:57 AM |
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Thread: Halo Drive Travel Network
Post: RE: Halo Drive Travel Network
Here's a scenario:
Someone somewhere in an inhabited system uses a mass driver to fire a stream of momentum slugs at a "nearby' black hole and continues to fire them for a hundred years or so, creati... |
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Bear |
General Setting Discussion
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11 |
137 |
12-02-2023, 09:29 AM |
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Thread: Halo Drive Travel Network
Post: RE: Halo Drive Travel Network
I don't know whether I'd call it a tendency t to 'waste not, want not' as a tendency to 'take advantage of whatever freebies you find hanging around.' But yeah, anywhere you have close pairs of really... |
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Bear |
General Setting Discussion
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11 |
137 |
12-02-2023, 04:08 AM |
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Thread: Halo Drive Travel Network
Post: Halo Drive Travel Network
This is an idea based on David Kipping's paper about 'Halo Drive:' The basic idea is that a ship with a laser, photovoltaics, and a solar sail (and very precise control of its aim) could fire a 'lase... |
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Bear |
General Setting Discussion
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11 |
137 |
11-30-2023, 10:32 AM |
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Thread: Miyake events
Post: RE: Miyake events
I hope I never have to explain death-cult reasoning to an alien. The emergence of a phrase such as "gloriously and victoriously dead" indicates that would be a long and difficult task. And if they t... |
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Bear |
General Setting Discussion
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13 |
135 |
11-13-2023, 12:39 PM |
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Thread: Miyake events
Post: RE: Miyake events
My wife points out that "half the world's population dies" and "end of the world" are functionally alike in many people's thinking and that therefore I may be making what they consider to be a distinc... |
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Bear |
General Setting Discussion
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13 |
135 |
11-13-2023, 12:20 PM |
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Thread: Miyake events
Post: RE: Miyake events
I think 'end of the world' is a bit of overstatement. It would certainly be a big setback though, with lots of infrastructure destroyed.
Because destroyed infrastructure impinges on our ability to... |
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Bear |
General Setting Discussion
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13 |
135 |
11-12-2023, 04:45 AM |
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Thread: What does a "Low-tech" system for protecting a planet from a Solar Storm look like?
Post: What does a "Low-tech" system for protecting a pla...
I'm thinking of a system applicable to the first millennium of the space age.
We're familiar with the threat: A solar eruption sends a whole lot of charged particles hurtling toward Earth. We get ... |
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Bear |
Worldbuilders Resources
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2 |
648 |
10-24-2023, 08:19 AM |
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Thread: Spinlaunch vs. Electric Yeeter
Post: Spinlaunch vs. Electric Yeeter
As folk who follow space news are likely aware, a company named Spinlaunch exists.
They purport to be building a catapult to launch things toward orbit from the ground, by a mechanism that involves... |
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Bear |
Real Life But OA Relevant
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0 |
1,122 |
08-13-2022, 07:49 AM |
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Thread: Bussard Pulse Jet?
Post: Bussard Pulse Jet?
I was thinking the other day, and an idea wandered through my mind for possibly overcoming some of the deficiencies of the Bussard Ram Jet.
The main issue with the Ramjet, as I understand it, is ... |
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Bear |
Real Life But OA Relevant
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1 |
2,552 |
07-16-2022, 04:00 AM |
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Thread: Climate Change
Post: RE: Climate Change
In my own manuscripts the carbon crisis has most people living in below-grade or earth-sheltered housing in about a hundred years from now. Entire communities and cities underground in about 200 year... |
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Bear |
Real Life But OA Relevant
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4 |
4,729 |
08-23-2021, 05:41 AM |
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Thread: Climate Change
Post: Climate Change
Not getting into politics here. Although technical mitigation possibilities are definitely a good thing to share if you know any.
Yesterday rain fell on Greenland's ice sheet for the first time in ... |
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Bear |
Real Life But OA Relevant
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4 |
4,729 |
08-22-2021, 02:12 AM |
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Thread: If You Could Start OA From Scratch
Post: RE: If You Could Start OA From Scratch
I think that the setting as described lends itself too much to descriptions of vast regions that are no more diverse and have no more points of interest than, say, France. Where entire zones and mult... |
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Bear |
General Setting Discussion
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114 |
3,073 |
08-17-2021, 01:30 AM |
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Thread: If You Could Start OA From Scratch
Post: RE: If You Could Start OA From Scratch
I think I would rewrite it with slower or truncated technological advance and spread. In ten thousand years I would envision humans (and AI, and provolves, and tweaks, etc) as having reached the near... |
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Bear |
General Setting Discussion
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114 |
3,073 |
08-16-2021, 04:00 PM |
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Thread: Synthetic Sophontology
Post: RE: Synthetic Sophontology
I think it was always rather implied by the 'slow gods' and other higher-toposophic entities in setting that spin off Aingels whose purpose is to communicate with folk of more ordinary intellect or ti... |
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Bear |
General Setting Discussion
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3 |
73 |
08-15-2021, 02:53 AM |
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Thread: Synthetic Sophontology
Post: Synthetic Sophontology
As part of a separate writing project I have been thinking lately about the qualitatively different varieties of consciousness that may be embodied by conscious AI. This includes embodied ('vec') and... |
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Bear |
General Setting Discussion
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3 |
73 |
08-14-2021, 04:12 PM |
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Thread: A visualization of galactic settlement
Post: RE: A visualization of galactic settlement
Ultimately there are two growth laws here: Exponential growth of biology, economics, etc, and cube-law growth of bounded space. Cube law growth ultimately bounds exponential growth, and while that... |
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Bear |
Real Life But OA Relevant
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6 |
6,552 |
06-18-2021, 03:01 PM |
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Thread: A visualization of galactic settlement
Post: RE: A visualization of galactic settlement
stevebowers Wrote: (06-18-2021, 04:27 AM)
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I like to assume that the various stars in a wave of colonisation can talk to each other, so they will exchange data about whether nearby stars are coloni... |
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Bear |
Real Life But OA Relevant
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6 |
6,552 |
06-18-2021, 02:48 PM |