2016-05-21.log

--- Log opened Sat May 21 00:00:07 2016
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kanzurehmph08:06
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kanzure.title https://www.jstor.org/stable/3741908:08
yoleauxThe Anthropic Principle and its Implications for Biological Evolution [and Discussion] on JSTOR08:08
kanzurehttp://aleph.se/andart2/space/the-drake-equation-and-correlations/08:09
kanzure"I have been working on the Fermi paradox for a while, and in particular the mathematical structure of the Drake equation. While it looks innocent, it has some surprising issues."08:09
kanzure"If different factors in the Drake equation vary spatially or temporally, we should expect potential clustering of civilizations: the average density may be low, but in areas where the parameters have larger values there would be a higher density of civilizations. A low N may not be the whole story. Hence figuring out the typical size of patches (i.e. the autocorrelation distance) may tell us something relevant."08:09
kanzure"civilizations are limited to flights shorter than some distance" http://arxiv.org/abs/1404.020408:11
kanzure.title http://arxiv.org/abs/1404.020408:11
yoleaux[1404.0204] Quantifying the Fermi paradox in the local Solar neighborhood08:11
kanzure"If we want to do things even more carefully, we can have several coupled equations corresponding to star formation, planet formation, life formation, biosphere survival, and intelligence emergence. However, at this point we will likely want to make a proper “demographic” model that assumes stars, biospheres and civilization have particular lifetimes rather than random disappearance. At this point it becomes possible to include ...08:13
kanzure... civilizations with different L, like Sagan’s proposal that the majority of civilizations have short L but some have very long futures."08:13
kanzurehttp://aleph.se/papers/Observer%20selection%20effects.pdf08:17
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kanzure"99.9% of all species have gone extinct[2],  and your ancestors must have survived at least five major mass extinctions" thug life08:20
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kanzurehi Orpheon08:38
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OrpheonHello kaalikahn08:38
Orpheoneh08:39
Orpheonkanzure08:39
kanzureclose enough08:39
kanzureoh twibright person is from this area, right?08:39
kanzuremaaku: let's go visit these guys http://bluebrain.epfl.ch/08:40
maakukaalikaaaaaaaaahhhn08:40
OrpheonI don't know, I'm somewhat new to this community08:40
maakukanzure: sounds good08:40
OrpheonThat's in lausanne08:41
maakukanzure: oh wat blue brain is here?08:41
maakuah ok08:41
Orpheonthere's also a hackerspace over there that's fairly active08:41
kanzurewhat are you talking about, the places are like right next to each other on the map08:41
kanzurejust zoom out08:41
Orpheonno wait, that particular part is even in geneva08:42
Orpheonhttp://i.imgur.com/luUxS3a.png?108:42
maaku3hrs by car? I once commuted that far, lol08:43
Orpheonalso, today is saturday08:44
kanzureyou guys are major buzzkills08:44
Orpheoncan't hurt to send an email thoughz08:44
Orpheonand ask if you can swing by on monday08:44
kanzurewin 8108:48
kanzureijreodqpajfaodspdfjqjfeq08:48
Orpheonyou two are in zürich now, though?08:51
kanzurenah i'm a million lightyears away08:54
maakukanzure: at least you have secure passphrases08:56
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kanzurei'm offended that you think my passphrases are so short :)09:00
kanzure.title http://nn.cs.utexas.edu/?rajagopalan:alife1410:58
yoleauxThe Evolution of General Intelligence10:58
kanzure"These experiments show that general intelligence, i.e. recognition of previously unseen examples, increases with increase in connectivity, up to a point. General intelligence also increases with the number of generations in prolonged evolution, even when performance no longer improves in the known examples. This outcome suggests that general intelligence depends on specific anatomical and environmental factors."10:58
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kanzureor, er, http://nn.cs.utexas.edu/?rajagopalan:gecco201410:59
kanzure.title http://nn.cs.utexas.edu/?rawal:alife201411:02
yoleauxEvolution of Communication in Mate Selection11:02
kanzure"A computational study is conducted to evaluate the hypothesis that mate selection is the evolutionary origin of communication. A population of neural networks is evolved for two cooperative tasks - mate selection and prey capture. Simple codes developed for mate selection serve as an effective stepping stone for prey capture but not vice versa. Mate selection followed by an additional prey capture task is also easier to evolve than both ...11:02
kanzure... together from the beginning. This result suggests that mate selection may be a first step in the evolution of general communication systems in nature."11:02
maakunice paper11:04
maakuthe general intelligence one11:04
kanzurei don't trust their "connectivity" result11:05
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kanzureamphetamine synthesis might be possible in bacteria because it's two hydroxyls away from being serotoni13:21
kanzureserotonin13:21
kanzurehttps://en.wikipedia.org/wiki/Substituted_phenethylamine13:23
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superkuhThe computer controlled self-aligning handheld (wood) router is finally going to be produced in mass: http://www.shapertools.com/15:07
kanzureis there anything i should tell a gnuradio person15:10
kanzureone of the maintainers is here15:10
kanzuresatellite access maybe?15:12
superkuhNothing except thanks.15:13
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streetykanzure: amphetamine is not two hydroxyls away from serotonin.17:52
streetythey have different ring structures and serotonin has an extra carbon and nitrogen17:53
fennre gnuradio, offline (post processing) source separation by phased array/synthetic aperture seems really useful18:17
fennor it may even be feasible in realtime for low frequency signals18:18
fennthe array wouldn't actually be18:18
fenn"phased" it would just be an array of antennas18:18
fennthis is similar to passive radar, but you're parsing the reflected signals as communication instead of sensing18:21
paskyJenda`_: ^ 17:1018:29
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--- Log closed Sun May 22 00:00:08 2016

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