--- Day changed Wed Jan 07 2009
00:08 < genehacker> heh
00:08 < genehacker> your inbox is pretty stuffed though
00:33 < genehacker> finished the model of the reprappable heater fenn
00:34 < genehacker> do you have anyway to make it?
00:34 < genehacker> ie a plastic or silicone rectangle with grooves cut in it
00:48 < Splicer> http://www.theonion.com/content/video/apple_introduces_revolutionary
00:50 < genehacker> oh yes that is classic
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04:41 < wrldpc>                                                                                                                                                                                                                                                                                                                                          
06:06 < wrldpc> }"
07:22 < wrldpc> Anyone have this?  http://books.nap.edu/catalog.php?record_id=12177
07:35 < kanzure_> yay somebody has half a brain: http://www.netmeister.org/news/learn2quote.html "How do I quote correctly in Usenet?"
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10:08 < kanzure_> hm, the russian transhumanists have emailed me again, wanting me to review some anti-aging strategy research
10:09 < kanzure_> "According to a public opinion poll conducted in Russia in 2008, 85% of Russians do not ever want to age.
10:09 < kanzure_> "
10:12 < genehacker> damn man your a busy person aren't you
10:12 < genehacker> heh
10:13 < genehacker> I wonder why the other other 15% voted the way they did?
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10:15 < kanzure_> maybe those were the people old enough to be angry that not everyone else will have to go through hell
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14:03 < kanzure_> hm, bruce is interested
14:03 < kanzure_> but I need to more thoroughly explain what we've been up to
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17:34 < genehacker> http://www.physorg.com/news150559326.html
17:34 < genehacker> an animal that can make mirrors
17:35 < genehacker> now if we make an astrochicken capable of doing this we could make giant telescopes or even sun guns
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18:58 < willPow3r> wrldpc, i have a book titled "cognitive neuroscience of human communication"
18:59 < wrldpc> cool
18:59 < wrldpc> can you filedrop it?
18:59 < wrldpc> www.filedropper.com
19:00 < wrldpc> there's an MIT encyclopedia of neuroscience avail on www.scribd.com
19:02 < willPow3r> i really like this filedrop
19:02 < genehacker> have you read snowcrash?
19:03 < willPow3r> wrldpc, http://www.filedropper.com/mildner-cognitiveneuroscienceofhumancommunicationtaylor2008
19:03 < genehacker> there is a bit of cognitive neuroscience dealing with communication in snowcrash...
19:04 < willPow3r> no, do you have it in electronic form?
19:04 < wrldpc> awesomez
19:04 < wrldpc> some of the singsum 08 vids are up
19:05 < willPow3r> my roommate went to that
19:06 < willPow3r> apparently it was aimed for venture capitalists from what he told me
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19:43 < wrldpc> oh man
19:43 < parodyoflanguage> hi
19:43 < wrldpc> greetings!
19:43 < parodyoflanguage> Greetings yourself.
19:44 < parodyoflanguage> I've just installed Zotero and it's pretty awesome.
19:45 < parodyoflanguage> I was just about to start using folders and text files to log my online research information, and then someone linked to this tool on the mailing list.
19:45 < parodyoflanguage> It's great.
19:46 < parodyoflanguage> Right now I'm using it to research purchasing a new computer.
20:05 < kanzure> fenn: skdb promotional material linkdump?
20:11 < kanzure> (an interested non-Bryan non-professional suggests): The "force" field for a fastener seems like it needs to be at least three different things
20:12 < kanzure> One is a sort of minimax amount of force required to have a risk of the fastener breaking
20:13 < kanzure> the minimum amount of force which, applied in the worst possible direction, but without any special torque, would create that risk
20:14 < kanzure> Another is a computational geometry kind of specification of a region of safe combinations of DC force and torque to apply through the fastener
20:14 < kanzure> A third is a function that you can call with a description of an oriented force and torque and it will say whether the fastener is at risk of failing, or something like that
20:15 < kanzure> I don't know what the best way is to treat variable force and torque
20:15 < kanzure> similarly, flexibility is only a simple quantity in the limit of a small amount of force
20:15 < kanzure> and even then it's a tensor-valued quantity
20:16 < genehacker> hmmm... what are you trying to do again
20:16 < genehacker> I took statics I might be able to help
20:16 < kanzure> for larger amounts of force you would need a function from force to displacement or something
20:17 < genehacker> ???
20:17 < kanzure> basically elaborating on the ontology for fasteners (in skdb.py in the git repository)
20:18 < kanzure> or maybe you could have an object which has a standard interface that lets you call a function to go from DC force to DC displacement or twisting or something
20:18 < kanzure> and then the object can have particular other interfaces if the functional form of the relationship is nice (e.g. linear) or nice within a restrained part of the parameter space (computational geometry to specify that again)
20:19 < kanzure> so that engines which are good at processing relationships of that sort can know that it is safe to treat this force-strain relationship as linear or whatever
20:19 < kanzure> by querying the object to see if it supports that interface
20:26 < genehacker> oh cool
20:26 < genehacker> call me when it starts making 3d models
20:27 < genehacker> I don't really understand ontology for the most part
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20:47 < parodyoflanguage> Well, what's the integral of force?
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20:55 < parodyoflanguage> impulse http://www.euclideanspace.com/physics/dynamics/collision/impulse/index.htm
20:56 < parodyoflanguage> That might be useful for averaging variable force. Impulse/time.
21:04 < kanzure-> A force of rms 10,000 newtons whose average value is zero newtons can still cause something to break even though the average force is zero.
21:04 < kanzure-> I mean, an oscillating force.
21:05 < kanzure-> The problem is, how do you specify envelopes of safe combinations of static and oscillating forces, so that the design checker can know that the part will only experience combinations of forces that are safe for it?
21:24 < parodyoflanguage> Maybe you'll need to divide the problem space to specific configurations.
21:34 < parodyoflanguage> But yeah, I see your point.
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22:27 < kanzure-> Huh. So it looks like I'm back in the dorm until tomorrow.
22:27 < kanzure-> but it was worth it, nice to talk with Steve again.
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22:52 < genehacker> who's steve again?
22:53 < genehacker> someone who was on make tv?
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23:19 < kanzure-> genehacker: Steve's a transhumanist I met up in the Bay Area.
23:20 < genehacker> oh sweet
23:20 < genehacker> I should start going to these conferences
23:21 < genehacker> to meet people
23:21 < kanzure-> Steve brought over somebody else who has a name I can't spell
23:21 < kanzure-> anyway, that guy is visiting Max and Natasha tomorrow for dinner
23:21 < kanzure-> but he wants to meet you.
23:22 < genehacker> I'm not in your region right now and my teleporter is not capable of transmitting complex organic matter yet
23:22 < genehacker> would like to meet him though
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23:56 < genehacker> hmmm... so you said you know some people with fablabs?
23:57 < genehacker> I want to try "teleporting" something