--- Log opened Thu Oct 15 00:00:47 2020
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00:52 < nsh> .t https://phys.org/news/2020-10-room-temperature-superconducting-material.html
00:52 < saxo> Researchers synthesize room temperature superconducting material
00:52 < nsh> ah someone beat me
02:42 < jrayhawk> * at 270GPa
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06:38 < lsneff> I wonder if it'd be possible to induce stress in the material
06:38 < lsneff> like a prince-rupert drop
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06:59 < kanzure> hmph
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08:01 < jrayhawk> the strongest steels and tungstens are limited to around 200 GPa, so the answer is probably no.
08:10 < jrayhawk> wait, no, thoes numbers get ibgger under deformation
08:10 < jrayhawk> https://en.wikipedia.org/wiki/Ultimate_tensile_strength#Typical_tensile_strengths
08:11 < jrayhawk> which is not useful here
08:12 < jrayhawk> static numbers are much lower, except theoretical perfect graphene at 130GPa
08:14 < darsie> 130 GPa is less than 200 GPa.
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08:44 < fenn> "a superconducting society where you'll never need things like batteries again" uh huh
08:46 < fenn> there is a lot of resistance heating in a typical chip, but i'll put my money on optical interconnects (eventually) getting produced first
08:47 < fenn> storing energy in static magnetic fields seems like a terrible idea
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08:47 < fenn> definitely not portable
08:47 < L29Ah> i prefer triglycerides
08:50 < fenn> mu metal has higher magnetic permeability than iron. is there a concept of a substance with perfect magnetic permeability?
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09:35 < fenn> i'll be charitable and pretend he meant for stationary grid energy storage
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10:30 < L29Ah> https://www.youtube.com/watch?v=7J33khH0KjY
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12:04 < lsneff> .t https://twitter.com/LeoLabs_Space/status/1316801830698078213
12:04 < saxo> Data from the most recent event updates show miss distance of 25 meters (+/- 18 meters at 1-sigma uncertainty). We will gather observation data tonight from the first radar pass after TCA to hopefully confirm no new debris is detected. (@LeoLabs_Space)
12:22 < fenn> worse
12:22 < fenn> "Current risk metrics from our most recent CDMs: Miss distance: 12 meters (+18/-12 meters) Probability of Collision: >10%, scaled to account for large object sizes Relative velocity: 14.7 km/s"
12:23 < fenn> oh nm yours is more recent, the estimate went back up to 25
12:23  * L29Ah gracefully deorbits employing a fart thruster
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14:54 < archels> L29Ah: that hand prosthesis is cool and very cyberpunk
15:13 < docl> I've set up a docker for cando if anyone wants to take a peek at it. has some demos. http://168.235.81.70:8888/
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17:27 < L29Ah> .t https://www.sciencedirect.com/science/article/abs/pii/S0360319920333462
17:27 < saxo> Transmutations observed from pressure cycling palladium silver metals with deuterium gas - ScienceDirect
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18:26 < fenn> L29Ah: if you do EDX on the samples you'll find the transmutation occurs at specific small locations
18:28 < fenn> more "observed anomalous heat" is kinda boring at this point, unless it contributes to some new theoretical understanding
19:08 < lsneff> This is supposed to be LENR?
19:17 < lsneff> Even if LENR is confirmed at some point (which seems likely imo based on some research out of nasa), how useful could it be?
19:18 < lsneff> The really cool part about fusion is that some of the reactions create muons and whatnot that can be converted directly to electricity.
19:18 < lsneff> But LENR seems to just be extra heat.
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20:58 < fenn> since it's "fusion" there's a chance that power plants would actually get built
20:59 < fenn> also it really opens the door to small scale off-grid combined heat and power
20:59 < fenn> nevermind that whole saving the world thing
21:00 < fenn> if we understood it better from a theoretical basis, maybe that could increase reaction rates to something more like conventional fission
21:00 < fenn> and then there's industrial transmutation just to get rare(r) isotopes and elements
21:02 < fenn> it could potentially scale down really small, for on-chip power generation
21:03 < fenn> nuclear nanites is probably asking too much
21:05 < fenn> i wouldn't be so quick to rule out the possibility of direct conversion to other energy forms
21:06 < fenn> also, fusion doesn't generate muons, that's antimatter
21:08 < fenn> peter hagelstein has been studying cold fusion since it became a thing, and he thinks it's due to some kind of quantum indeterminacy effect, stimulated by terahertz phonons created in the palladium/whatever crystal upon deuterium entering the crystal lattice at high loading ratios
21:08 < fenn> so maybe you can just blast some nickel with terahertz radiation and nuclear stuff will happen
21:08 < fenn> or maybe you can etch nanostructures that enhance the quantum indeterminacy aspect
21:09 < fenn> maybe there's even a simple bulk chemistry trick like adding trace amounts of tungsten, to create nano-spikes
21:12 < fenn> and maybe other isotopes would have faster reaction rates due to nuclear chemistry kinetics
21:12 < fenn> the field is wide open and has barely been scratched
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23:00 < cpopell> As is tradition, I have to come in here and tell kanzure he's right. I am, finally, looking at career stuff in crypto.
23:01 < cpopell> *he was right, rather
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--- Log closed Fri Oct 16 00:00:48 2020