--- Day changed Wed Jan 07 2009 | ||
genehacker | heh | 00:08 |
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genehacker | your inbox is pretty stuffed though | 00:08 |
genehacker | finished the model of the reprappable heater fenn | 00:33 |
genehacker | do you have anyway to make it? | 00:34 |
genehacker | ie a plastic or silicone rectangle with grooves cut in it | 00:34 |
Splicer | http://www.theonion.com/content/video/apple_introduces_revolutionary | 00:48 |
genehacker | oh yes that is classic | 00:50 |
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wrldpc | 04:41 | |
wrldpc | }" | 06:06 |
wrldpc | Anyone have this? http://books.nap.edu/catalog.php?record_id=12177 | 07:22 |
kanzure_ | yay somebody has half a brain: http://www.netmeister.org/news/learn2quote.html "How do I quote correctly in Usenet?" | 07:35 |
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kanzure_ | hm, the russian transhumanists have emailed me again, wanting me to review some anti-aging strategy research | 10:08 |
kanzure_ | "According to a public opinion poll conducted in Russia in 2008, 85% of Russians do not ever want to age. | 10:09 |
kanzure_ | " | 10:09 |
genehacker | damn man your a busy person aren't you | 10:12 |
genehacker | heh | 10:12 |
genehacker | I wonder why the other other 15% voted the way they did? | 10:13 |
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kanzure_ | maybe those were the people old enough to be angry that not everyone else will have to go through hell | 10:15 |
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kanzure_ | hm, bruce is interested | 14:03 |
kanzure_ | but I need to more thoroughly explain what we've been up to | 14:03 |
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genehacker | http://www.physorg.com/news150559326.html | 17:34 |
genehacker | an animal that can make mirrors | 17:34 |
genehacker | now if we make an astrochicken capable of doing this we could make giant telescopes or even sun guns | 17:35 |
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willPow3r | wrldpc, i have a book titled "cognitive neuroscience of human communication" | 18:58 |
wrldpc | cool | 18:59 |
wrldpc | can you filedrop it? | 18:59 |
wrldpc | www.filedropper.com | 18:59 |
wrldpc | there's an MIT encyclopedia of neuroscience avail on www.scribd.com | 19:00 |
willPow3r | i really like this filedrop | 19:02 |
genehacker | have you read snowcrash? | 19:02 |
willPow3r | wrldpc, http://www.filedropper.com/mildner-cognitiveneuroscienceofhumancommunicationtaylor2008 | 19:03 |
genehacker | there is a bit of cognitive neuroscience dealing with communication in snowcrash... | 19:03 |
willPow3r | no, do you have it in electronic form? | 19:04 |
wrldpc | awesomez | 19:04 |
wrldpc | some of the singsum 08 vids are up | 19:04 |
willPow3r | my roommate went to that | 19:05 |
willPow3r | apparently it was aimed for venture capitalists from what he told me | 19:06 |
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wrldpc | oh man | 19:43 |
parodyoflanguage | hi | 19:43 |
wrldpc | greetings! | 19:43 |
parodyoflanguage | Greetings yourself. | 19:43 |
parodyoflanguage | I've just installed Zotero and it's pretty awesome. | 19:44 |
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. | 19:45 |
parodyoflanguage | Right now I'm using it to research purchasing a new computer. | 19:46 |
kanzure | fenn: skdb promotional material linkdump? | 20:05 |
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 | 20:11 |
kanzure | One is a sort of minimax amount of force required to have a risk of the fastener breaking | 20:12 |
kanzure | the minimum amount of force which, applied in the worst possible direction, but without any special torque, would create that risk | 20:13 |
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 | 20:14 |
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 | 20:15 |
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 | 20:16 |
genehacker | ??? | 20:17 |
kanzure | basically elaborating on the ontology for fasteners (in skdb.py in the git repository) | 20:17 |
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) | 20:18 |
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 | 20:19 |
genehacker | oh cool | 20:26 |
genehacker | call me when it starts making 3d models | 20:26 |
genehacker | I don't really understand ontology for the most part | 20:27 |
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parodyoflanguage | Well, what's the integral of force? | 20:47 |
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parodyoflanguage | impulse http://www.euclideanspace.com/physics/dynamics/collision/impulse/index.htm | 20:55 |
parodyoflanguage | That might be useful for averaging variable force. Impulse/time. | 20:56 |
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. | 21:04 |
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? | 21:05 |
parodyoflanguage | Maybe you'll need to divide the problem space to specific configurations. | 21:24 |
parodyoflanguage | But yeah, I see your point. | 21:34 |
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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. | 22:27 |
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genehacker | who's steve again? | 22:52 |
genehacker | someone who was on make tv? | 22:53 |
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kanzure- | genehacker: Steve's a transhumanist I met up in the Bay Area. | 23:19 |
genehacker | oh sweet | 23:20 |
genehacker | I should start going to these conferences | 23:20 |
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. | 23:21 |
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 | 23:22 |
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genehacker | hmmm... so you said you know some people with fablabs? | 23:56 |
genehacker | I want to try "teleporting" something | 23:57 |
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