--- Log opened Wed Oct 21 00:00:53 2020
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00:26 < fltrz> whats last thing I said?
00:31 < fenn> 12:20 < fltrz> just the messenger
00:32 < fenn> 12:21  * fltrz off to peer a little more into the crystal ball
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02:22 < fltrz> lsneff, don't you think it would be more prudent to build a micro EDM first? then you can build small jigs, tools, micromanipulators, ... even if you succeed direct step of nano imaging and fabrication, what use is it if you can't sensibly mount and unmount things?
02:23 < fltrz> for the mesoscale you could use holohgraphic imaging on say pi noir v2, such that single frame + GPU could possibly give real time focus stacking from a single frame
02:23 < fltrz> i.e. no depth of field
02:24 < fltrz> meeant no circle of confusion at shallow depth of field
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06:08 < fltrz> does micro EDM in gas dielectric produce X-rays? if the mean free path length is similar to the electrode workpiece separation some electrons should ballistically zip through unimpeded
06:08 < fltrz> probably soft X-rays though
06:09 < fltrz> because of the lower voltages
06:24 < lsneff> Yes, I probably should, but I'm not actually trying to go for nano fabrication. I just want to make a low cost AFM. Other capabilities can be developed after that.
06:25 < fltrz> it would be a nice project yes
06:25 < lsneff> Also, I have a slide deck from Eric Drexler on β-solenoid proteins.
06:26 < lsneff> https://usercontent.irccloud-cdn.com/file/bnTr0cjW/200701_protein_engineering.pdf
06:26 < lsneff> Feel free to share.
06:31 < fltrz> what is meant with orthogonality of proteins? that matrix is a binding affinity matriix?
06:55 < fltrz> ugh sci hub captcha requires JS
06:57 < kanzure> fltrz: scihub has torrentz
06:58 < fltrz> kanzure, way too large for my bandwidth
06:59 < fltrz> still no HDD sneakernet of scihub...
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07:50 < lsneff> CBN Nano recruiter got back to me, they don't do internships
08:01 < lsneff> It's fine though. I'll reach back out to them in a year and a half when I'm close to graduating.
08:02 < docl> Good idea
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09:15 < fltrz> do reviewers expect authors to intentionally add small basic errors such that 1) the value of the reviewed paper is high than the preview paper and 2) the contributionary value of the reviewer is made manifest ?
09:16 < fltrz> if the preview paper is too flawless then freely circulated preview paper devalues the reviewed pape
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11:25 < fltrz> do you guys know how glass pipette microelectrodes were originally made? they supposedly have a 0.5 micron tip diameter. I remember a high school chemistry lab session were we rolled a pipette above a bunsen burner while stretching and made a similar object then breaking when cooled
11:26 < fltrz> how did the first biologists / chemists control the diameter of the tip?
11:31 < L29Ah> they don't
11:32 < L29Ah> but you can heat it more/less and pull it faster/slower for different results
11:34 < L29Ah> i never needed such thin pipettes but for TLC applications i made one with something like 100µm ID
11:35 < L29Ah> from something like 3mm ID soda-lime glass tube
11:36 < L29Ah> i guess surface tension is a bitch at such tiny diameters tho so you must be really quick
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13:04 < lsneff> .t https://twitter.com/abbybeall/status/1318950262644629505
13:04 < saxo> The data used to make the discovery of phosphine on Venus in September has been removed, temporarily, from the online archive because of an error in the early processing stages. // Statement from ALMA: https://pbs.twimg.com/media/Ek3BdXQXIAIpnC_.jpg (@abbybeall)
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14:54 < fenn> i think they use robotic pipette pullers
14:54 < fenn> it's something you buy from a catalog
14:54 < fenn> you can keep melting and stretching indefinitely
14:55 < fenn> also i've seen stuff where you have multiple glass types and one is soluble
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18:30 < kanzure> hmph
20:30 < fltrz> L29Ah, so I looked up "needle" pipette pullers, second hand ones can be hand for ~ $500
20:30 < fltrz> some models can do 0.1 micron!
20:31 < fltrz> I wonderr what the ratio of inner to outer diameter is and how close one can go to 1
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--- Log closed Thu Oct 22 00:00:54 2020