--- Log opened Sun Sep 05 00:00:58 2021 03:13 -!- ptrcmd_ [~ptrcmd@user/ptrcmd] has joined #hplusroadmap 03:18 -!- ptrcmd [~ptrcmd@user/ptrcmd] has quit [Ping timeout: 276 seconds] 03:18 -!- ptrcmd_ is now known as ptrcmd 22:13 < mrdata> docl, hmm... some kind of braid from a shape-memory alloy, to pressurize it? 22:13 < mrdata> but at 170 GPa wow 22:13 < mrdata> steel is like 250 MPa tensile strength 22:14 < mrdata> that's freaky pressure 22:15 < mrdata> invent a room T superconductor you dont have to pressurize, please 22:15 < fenn> graphene in oil 22:16 < fenn> or was it graphite 22:16 < fenn> same thing more or less. graphene is just exfoliated graphite 22:16 < mrdata> that's lovely; exhibit meissner effect but this isnt a bulk material propety but a surface property 22:17 < mrdata> plus magic angle graphene 22:17 < mrdata> there's lots of research to do 22:17 < mrdata> but the bulk material has to superconduct 22:17 < mrdata> to pass 22:18 < fenn> my understanding is that it just has a disappointingly low quench current. not what you want, but it could still be useful for long distance power transmission 22:19 < mrdata> yes. high voltage, low current 22:19 < fenn> a sort of superconducting litz wire that is very spread out will limit the magnetic field 22:19 < fenn> just load reduction. you can only increase voltage so far before you get intolerable corona losses 22:20 < mrdata> how much have the magic angle graphene layers been stacked 22:20 < mrdata> does it improve performance 22:20 < fenn> i mean you just make many copies of the wire to reduce the current per wire 22:20 < fenn> i don't know anything about magic angle graphene 22:22 < mrdata> a quick search gives me https://www.azom.com/article.aspx?ArticleID=20673 22:22 < fenn> https://news.mit.edu/2021/magic-trilayer-graphene-superconductor-magnet-0721https://news.mit.edu/2021/magic-trilayer-graphene-superconductor-magnet-0721 22:22 < fenn> https://news.mit.edu/2021/magic-trilayer-graphene-superconductor-magnet-0721 22:24 < fenn> graphene moiré structures 22:25 < fenn> "stacking three layers together, and rotating the middle one by 1.56 degrees with respect to the outer layers" 22:27 < mrdata> yes 22:28 < mrdata> 54.7356° 22:29 * mrdata kicks up inkscape, to assemble a moire pattern at that angle 23:12 < nmz787> I want to build a backyard rollercoaster 23:13 < nmz787> my new property is apparently 5 acres short of the amusement park outside of the city I grew up in --- Log closed Mon Sep 06 00:00:59 2021