--- Log opened Tue Jan 12 00:00:13 2021
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07:02 < fenn> amazon reviews for polycaprolactone are all full of people making artificial teeth
07:21 < Llamamoe> I have a missing tooth, could probably do that
07:22 < Llamamoe> But I feel like the plastic is soft enough that chewing with it would shed microplastics, which even if bioresorbable in theory, is probably still not ideal
07:36 < L29Ah> removable teeth prosthesis suck
07:36 < L29Ah> but indeed sounds like an extremely cheap way to make one for the poor
07:39 < L29Ah> Llamamoe: looking at the molecule i guess your body would utilize it as energy through ketosis, just like fats
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08:41 < Llamamoe> L29Ah: Because of the fatty acid like chain ?
08:44 < L29Ah> because of triglyceride-like ester that seems to hydralize to a bunch of fattish acids
08:49 < Llamamoe> I see :o
08:58 < fenn> microplastics generated in your mouth are fine
08:58 < fenn> they're a problem when absorbing bad chemicals in the environment, which concentrates them in the food chain
08:59 < fenn> every day you eat thousands of tiny synthetic fibers from carpets and clothing
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09:10 < Llamamoe> fenn: I still don't wanna have any more than I already do in my body :-(
09:11 < fenn> you poop it out
09:12 < Llamamoe> Yeah but not all of it
09:12 < fenn> god damn this bok choy is amazing
09:12 < fenn> A+ would recommend
09:13 < Llamamoe> I like napa cabbage
09:45 < fltrz> fenn, Llamamoe yes I agree the plastic seems way too soft. It seems like their main motivation is cosmetic appearance for those who can't afford dental care to pretend like they can. In a society where "fake it till you make it" (or co-operation with suppression of systemic victimhood) is rewarded this may perversely make sense from the individual perspective.
09:46 < fltrz> I'm still curious about the mail-order kit for making ceramic teeth though. Are they still made? Where would one source the ceramics today?
09:46 < fenn> from a dental supplier?
09:46 < fenn> ebay?
09:46 < fenn> it's not magical unobtanium
09:47 < fltrz> fenn, of course it isn't but the mail-order kit would have come with instructions back in the day
09:47 < fltrz> fenn, also not sure if those ceramics are still being sold? have they all switched to 3d printed proprietary ceramics or other materials?
09:49 < fltrz> stuff should also be interesting from a micro / meso fabrication perspective
09:53 < fenn> there are a lot of different ceramics in use
10:01 < Llamamoe> fltrz: Apparently, PCL mixes very easily with plenty of other substances, I wonder if there aren't any low-cost combinations that could be used to great success
10:02 < apotheon> I had some costume fangs made out of the stuff they use for artificial nails.  It was tough enough to slay a can of Pepsi and drink from the fang-holes in the can.
10:02 < apotheon> There must be options other than ceramics and soft plastics.
10:02 < fltrz> theres alloys
10:03 < Llamamoe> fltrz: Doing random googling I came across a paper where they mixed 30% PCL with 70% powdered bone and some misc stuff to 3D print implantable bone replacement that the body's bone system fuses with
10:03 < apotheon> Wood!
10:03 < apotheon> no no, that won't work
10:03 < Llamamoe> I know that making chitosan-based bioplastics is trivial
10:04 < Llamamoe> I wonder how compositing chitosan and PCL would work out
10:04 < Llamamoe> I think material engineering is a fascinating field
10:06 < fenn> apotheon: finally, a use for canned blood
10:06 < apotheon> indeed
10:07 < apotheon> Three vampires walk into a bar.  The first orders a glass of A+.  The second orders a glass of A+.  The third orders a glass of plasma.
10:07 < apotheon> The bartender says "So . . . that'll be two bloods and a blood lite."
10:08 < apotheon> I admit mild surprise that you were looking for uses for canned blood.
10:08 < fenn> i wasn't
10:09 < fenn> recently i went on a rant about how everyting should come in standardized cans delivered by pneumatic tube
10:09 < apotheon> I think I recall some mention of that in this channel.
10:10 < Llamamoe> Sounds steampunk as fuck
10:10 < Llamamoe> I'm game
10:10 < apotheon> I may have shared an image of such from Brazil (the movie, not the place).
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10:42 < dunno> what diameter would such pneumatic tube have?
10:43 < dunno> i doubt that pizza would fit in that, people would have to switch to hot dogs
10:51 < fenn> you'd have to get a cylindrical pizza
10:51 < fenn> or a spiral wound pizza
10:53 < fenn> build cost of the system is much less with smaller diameter tubes
10:53 < fenn> eventually it would be nice to fit a human, but that's a long way off
10:54 < dunno> i think the wound option would work, because the transport would take no more than a few minutes
10:54 < fenn> you could put a separator layer to keep the cheese from sticking
10:54 < fenn> like silanized baking paper (parchment paper)
10:55 < fenn> as a bonus you can feed the pizza on a conveyor belt through a robotic assembly line and oven
10:55 < dunno> the installation costs would be way higher tha material costs i think
10:56 < fenn> it has to be underground because western civilization is weak and backwards
10:56 < fenn> so your main cost is tunneling
10:56 < dunno> but what if someone in india did it
10:56 < dunno> above groud
10:57 < fenn> then someone would steal the tubes
10:57 < fenn> and nobody gets pizza for weeks
10:57 < dunno> that explains everything then
11:13 < apotheon> dunno: about the size of a 20oz insulated Klean Kanteen water bottle
11:13 < apotheon> dunno: That way, we have backward compatibility.
11:14 < apotheon> send pizza pockets and calzones
11:20 < dunno> cars and oil would get very expensive very quickly if someone did this, getting out of home would become prohibitively expensive
11:20 < dunno> it's weird how in movies innovations can appear to be good things
11:21 < L29Ah> natural gas piping in .ru is mostly above ground and doesn't get stolen
11:23 < L29Ah> some of the big water pipelines are as well, but their insulation is sometimes damaged, probably due to humans messing around
11:24 < nmz787_> .ru is not .in
11:24 < nmz787_> my parents in law balk that we leave a garden trellis in our front yard, because it would be stolen in .in
11:27 < apotheon> Given India's government, it should be no surprise people are that desperate.
11:28 < apotheon> what a clusterfuck
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11:28 < apotheon> I feel bad for the people who live there.
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11:52 < fenn> i think their problems go deeper than mere government
12:21 < apotheon> Their government exists because of features of the culture.
12:21 < apotheon> s/exists/exists in its present form/
12:21 < apotheon> That's true of every government.
12:22 < apotheon> . . . so yeah, of course the problems go deeper than "just" the government, but the existence of an ultimate cause doesn't undermine the role of a proximate cause.
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13:53 < Kengo> @search The Informal Economy in Developing Nations
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13:54 < Llamamoe> This ain't #bookz yo
13:55 < Llamamoe> Wrong network too for that matter
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17:55 < kanzure> https://github.com/jonkraft/PhasedArray
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20:14 < lsneff> That's pretty damn cool.
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21:16 < nmz787_> more cracking the FIB software happened last weekend
21:17 < nmz787_> I can now open some debug menu, and basically have all I need to run the machine via remote desktop
21:18 < nmz787_> but apparently the focus control slider isn't fine enough precision to ideally focus... you can accomplish this in another window, but it takes longer because it scans a partial-frame and arranges them in a side-by-side fasion, where you choose the "best focused" version, the tool continues on in this fashion until you stop it.
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21:18 < nmz787_> this procedure also exists for the stigmation
21:22 < fenn> like those awful optometrist things
21:22 < fenn> like this? ... or like this?
21:22 < fenn> like this? ... or like this?
21:23 < fenn> clearly a computer can do this itself without bothering you about it
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21:34 < fltrz> nmz787_, I always feel like reverse engineering software is a waste of my time, I don't know how you find the motivation when it comes to that.
21:35 < fenn> there's a big expensive toy that is depending on it
21:35 < fltrz> yes that might do the trick
21:36 < fltrz> I remember when as a kid I thought reverse engineering was the coolest thing on earth, but the moment I got to uni and had access to scientific literature, that just dissipated like a flat tire
21:37 < fenn> you're just reverse engineering reality at that point
21:38 < fltrz> occasionally I read something that rekindles the original feeling for a fraction of a while... like when that xorxor or smthng dude found the neat method where the instruction decoder / page fault mechanism interacted to leak the interpretation of valid instructions, so it could be bruteforced to discover undocumented codes... that was neat
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21:40 < dunno> xoreaxeaxeax, sandsifter
21:43 < fltrz> yes
21:44 < fltrz> dunno, are you also dunnp?
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21:45 < dunno> no
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22:59 < dunno> dunnp is dr. peter dunn from school of biosciences in melbourne
23:03 < dunno> whereas i don't even know how to get a collection of bacteria cultures for ecosystem biodiversity experiments
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23:24 < dunno> .t https://jb.asm.org/content/194/16/4151
23:24 < saxo> Growing Unculturable Bacteria | Journal of Bacteriology
23:24 < dunno> "The unculturable isolate grows only close to the helper, where a growth factor has diffused into the medium of the plate."
--- Log closed Wed Jan 13 00:00:13 2021