--- Log opened Thu Aug 10 00:00:24 2023
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11:35 < docl> I wonder if it's possible to make a standardized desktop glassware production device? apparently people are already doing some interesting stuff with PLA+glass powder, but maybe you could feed in tubing and have it be worked directly? 
11:36 < docl> https://shop.thevirtualfoundry.com/products/pyrex-borosilicate-glass-filamet-2
11:37 < docl> main reason desktop scale seems unfriendly to a lampworking bot system is the high heat requirement to make it viscous enough to work
11:45 < fenn> MIT had a glass printer several years ago, the filament size was large
11:45 < fenn> i mean the nozzle diameter
11:46 < fenn> you still have to anneal it in an oven like with any glass working
11:49 < fenn> is sintered glass even airtight
11:50 < docl> I wonder if smallish (not powder but like mm to cm scale, maybe tube sections cut from standardized feedstock) glass pieces could be manipulated dextrously enough with plasma jets to produce precise enough shapes, then deposited on a warm but not molten workpiece. flame annealing as you go
11:50 < fenn> all the complexity is in software
11:51 < fenn> humans do lampworking after all
11:51 < fenn> when someone says "glassware" i usually think of beakers and flasks
11:51 < docl> yeah but we use big flames and long sections
11:52 < docl> yeah people make beakers and flasks from tubing
11:52 < fenn> the torch tips are relatively small
11:52 < fenn> a plasma jet is crazy small
11:53 < fenn> you need a conductive material to cut cleanly with a plasma jet
11:53 < fenn> i'm not sure what would happen with glass. it would melt
11:54 < docl> s/plasma jet/torch
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11:54 < fenn> that's what i meant
11:58 < docl> I got a small $17 butane torch, seems to melt regular glass but slowly. maybe with a chamber reflecting the heat back it would be more effective. generally they use propane + oxygen or mapp gas
12:02 < fenn> hydrogen + oxygen can work too, and would simplify logistics
12:02 < fenn> just include an electrolyzer
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12:26 < docl> that could work. you're going to want water as a coolant anyway
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13:30 < fenn> Stop saying “we need to elect someone younger” — the accelerationist choice is obvious. 
13:31 < fenn> Jimmy Carter.
13:31 < fenn> He’ll be 100 years old and he’s still eligible because he only served one term back in 1977.
13:32 < fenn> $280M more startup funding for neuralink
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--- Log closed Fri Aug 11 00:00:25 2023