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    Thread: <EG - restoration(?)> Time Machine
Post: RE: <EG - restoration(?)> Time Machine

Yeah, I know I've done nothing on this for far too long. Real Life issues ... Anyway, I just came across this http://www.bbc.co.uk/news/science-environment-28852538 which may be relevant when consi...
xilman Encyclopaedia Galactica Articles 11 224 08-22-2014, 09:49 PM
    Thread: The Nanodisaster Rewrite - Ok, Let's Do This
Post: RE: The Nanodisaster Rewrite - Ok, Let's Do This

(08-21-2014, 02:35 AM)Drashner1 Wrote: Except that something goes wrong such that suddenly months or even a year after their last rejuv, people start breaking out in rumors ...Sounds nasty 8-) Yes,...
xilman Encyclopaedia Galactica Articles 290 3,551 08-21-2014, 05:20 AM
    Thread: Personal weapons and stuff
Post: RE: Personal weapons and stuff

(08-20-2014, 01:08 PM)Drashner1 Wrote: (08-20-2014, 02:07 AM)Rynn Wrote: If self-replicating defences get a chance to hide and grow then they might present a problem but it again gets back to this...
xilman General Setting Discussion 37 510 08-20-2014, 05:29 PM
    Thread: Personal weapons and stuff
Post: RE: Personal weapons and stuff

(08-19-2014, 04:18 AM)Rynn Wrote: So in less than a year this less than brilliant system (slow reproduction rate, very poor sensory footprint) could cover the whole world. That places a very firm wi...
xilman General Setting Discussion 37 510 08-20-2014, 01:56 AM
    Thread: Self-organizing robot swarms
Post: Self-organizing robot swarms

http://www.bbc.co.uk/news/science-environment-28739371 has a nice report on how a bunch of very simple robots, all running with exactly the same program and data, can self-organize into a required sha...
xilman Real Life But OA Relevant 2 5,052 08-15-2014, 11:27 PM
    Thread: Personal weapons and stuff
Post: RE: Personal weapons and stuff

(08-13-2014, 07:26 PM)kch49er Wrote: I think if you know what animal(s) are likley to be the threat some sort of animal repellent would be more effictive, if it won't come near you in the first plac...
xilman General Setting Discussion 37 510 08-13-2014, 11:10 PM
    Thread: Bioengineers create functioning brainlike tissue
Post: RE: Bioengineers create functioning brainlike tiss...

(08-13-2014, 07:53 PM)Dalex Wrote: The input/output is in my opinion a much bigger problem. And in mine. Just about every bit of software I've created, whether running on hardware, other software o...
xilman Real Life But OA Relevant 8 12,969 08-13-2014, 11:03 PM
    Thread: Terra's Big Neighbor
Post: RE: Terra's Big Neighbor

(08-09-2014, 09:00 AM)Cray Wrote: Putting high pressure at sea level is begging for a severe greenhouse problem. Why not make the whole planet more habitable with lower pressure?A high N_2 and/or Ar...
xilman General Off-topic Discussion 29 49,804 08-09-2014, 07:18 PM
    Thread: Physical limitations and social implications of post scarcity
Post: RE: Physical limitations and social implications o...

(08-09-2014, 02:41 AM)macnut Wrote: Which is why there are reproduction and population controls in many OA polities; apparently not everyone gets to have children just because they want them, and th...
xilman General Setting Discussion 87 1,080 08-09-2014, 03:29 AM
    Thread: Physical limitations and social implications of post scarcity
Post: RE: Physical limitations and social implications o...

(07-31-2014, 12:17 AM)iancampbell Wrote: (07-30-2014, 02:35 AM)xilman Wrote: (07-30-2014, 01:03 AM)Rynn Wrote: Lastly whilst some elements might always be relatively rare they're not likely need...
xilman General Setting Discussion 87 1,080 07-31-2014, 05:30 PM
    Thread: UltraTech LEEC species
Post: RE: UltraTech LEEC species

(07-30-2014, 06:02 PM)stevebowers Wrote: Any black hole larger than 0.0075 x Earth's mass will be colder than the CMBR, so could be used as a heat dump even without a suprashell. http://xaonon.dyndn...
xilman General Off-topic Discussion 21 36,921 07-30-2014, 07:13 PM
    Thread: UltraTech LEEC species
Post: RE: UltraTech LEEC species

(07-30-2014, 05:55 PM)stevebowers Wrote: One interesting possibility for a heatdump would be the core of a black-hole suprashell. The suprashell could be inhabited, but the civilisation could dump i...
xilman General Off-topic Discussion 21 36,921 07-30-2014, 06:55 PM
    Thread: UltraTech LEEC species
Post: RE: UltraTech LEEC species

(07-29-2014, 05:54 PM)stevebowers Wrote: Yes, but the radiating surfaces still have to be large enough to dump the heat. Perhaps you could cycle the waste heat out to the star's Oort cloud to radiat...
xilman General Off-topic Discussion 21 36,921 07-30-2014, 05:05 PM
    Thread: OA Library
Post: RE: OA Library

(07-30-2014, 03:44 PM)Matterplay1 Wrote: Tangential question to all of this: Is anyone in this group aware of any proof that any and all information can be rendered in terms of bits? Or is it just ...
xilman General Setting Discussion 6 84 07-30-2014, 04:25 PM
    Thread: Physical limitations and social implications of post scarcity
Post: RE: Physical limitations and social implications o...

(07-30-2014, 01:03 AM)Rynn Wrote: Lastly whilst some elements might always be relatively rare they're not likely needed for most things and replacements would be available in OA (like a band of smar...
xilman General Setting Discussion 87 1,080 07-30-2014, 02:35 AM
    Thread: Detecting traversible wormholes
Post: RE: Detecting traversible wormholes

(01-18-2014, 11:39 AM)Drashner1 Wrote: (01-18-2014, 05:50 AM)xilman Wrote: Which reminds me, I really must calculate the likelihood that current technology could detect a galactic mass of sptially...
xilman General Setting Discussion 11 145 01-18-2014, 07:01 PM
    Thread: Detecting traversible wormholes
Post: RE: Detecting traversible wormholes

(01-18-2014, 02:35 AM)stevebowers Wrote: Perhaps the most noticable phenomenon would be the transit of megastructures; Cableville, Kepleria, various Matrioshka Brains and Dyson swarms. If we can det...
xilman General Setting Discussion 11 145 01-18-2014, 05:50 AM
    Thread: Detecting traversible wormholes
Post: RE: Detecting traversible wormholes

(01-16-2014, 01:56 AM)Cray Wrote: Yes. If you can really narrow down the patch of sky, then a 100km perfectly dark object would be perceptible for occluding stars, warping starlight, and so forth. B...
xilman General Setting Discussion 11 145 01-17-2014, 09:21 PM
    Thread: Let's Talk About...Sex
Post: RE: Let's Talk About...Sex

(01-01-2014, 03:00 AM)Drashner1 Wrote: (12-31-2013, 07:00 PM)stevebowers Wrote: You wouldn't want to have sex with a transapient in eir full glory, as you'd get burned to a cinder, like Semele was...
xilman General Setting Discussion 59 1,170 01-02-2014, 01:02 AM
    Thread: Proof-reading EG
Post: Proof-reading EG

It's been suggested that this sub-forum is the appropriate place for reporting sundry typographical, grammatical and stylistic errors in EG articles. That is, anything which appears to be wrong as a ...
xilman Suggestion Box - OA website 973 1,068,742 12-31-2013, 07:10 PM