--- Log opened Fri Mar 12 00:00:53 2021 00:06 -!- spaceangel [~spaceange@ip-89-102-171-33.net.upcbroadband.cz] has joined ##hplusroadmap 02:41 < maaku> and that is why it is not worth debating any of this 02:46 -!- darsie [~kvirc@84-113-55-200.cable.dynamic.surfer.at] has joined ##hplusroadmap 04:15 -!- yashgaroth [~ffffffff@2601:5c4:c780:6aa0:9558:2e5f:e9a0:9619] has joined ##hplusroadmap 04:28 < juri_> this, this, a thousand times this. 04:44 < maaku> lsneff: atomic machines looks like an MIT startup? 04:45 < maaku> I assume Patil's dissertation probably has some clue as to their technical approach 04:45 < maaku> oh they're based out of Berkeley. interesting. 05:11 -!- CryptoDavid [uid14990@gateway/web/irccloud.com/x-vspoibgaogfikuyr] has joined ##hplusroadmap 07:44 < lsneff> Indeed. I may look at papers that the individuals have produced recently, but I’m not expecting to find anything relevant 08:52 < lsneff> maaku: yep, here it is: http://cba.mit.edu/docs/theses/19.09.Patil.pdf 08:53 < lsneff> “multi-lamina assembly of laser micromachined laminates” 08:55 < lsneff> “Atomic Machines is doing something truly epic: inventing the future of how things are made. And a glorious future it will be. We envision an era of atomically precise manufacturing (APM), essentially 3D printing anything at the molecular level, making anything from its digital description, blurring the line between bits and atoms. 08:55 < lsneff> Our first move on the long journey to this APM future is in the realm of microfabrication, making mechanical devices with features sized in the single-digit microns scale. Our fabrication technology will be full-stack, 100% automated and data-driven, and we’re building the team now to make it a reality.” 09:02 < lsneff> This is great stuff. If they can make complex MEMS designs much cheaper and faster, then they might be able to get to STM arrays before anyone else. 09:03 < lsneff> And from there, it might be possible to start building atom-by-atom on silicon 10:32 < docl> I wonder if there's a substantial obstacle to using MEMS to make surfaces behave like they are moving. So you could walk on them and it would be like a moving sidewalk, Jetsons style without the big motors. 10:36 < docl> If you could put it in some kind of cheap to apply paint, you could then paint it on concrete for factory floor type logistics. Or maybe bottoms of shoes so you could do powered skating on smooth surfaces without wheels. 10:37 < docl> I'm thinking of something like a piezo inchworm linear motor 10:37 < docl> .wik Inchworm_motor 10:37 < saxo> "The inchworm motor is a device that uses piezoelectric actuators to move a shaft with nanometer precision. / In its simplest form, the inchworm motor uses three piezo-actuators (2 and 3, see Figure 1.) mounted inside a tube (1) and electrified in sequence to grip a shaft [...]" - https://en.wikipedia.org/wiki/Inchworm_motor 11:42 < lsneff> The obstacle is cost 11:43 < lsneff> The substrate is expensive, etching is expensive, the shear amount of mems machines you'd need to cover any visible amount of surface would be expensive 11:45 < lsneff> In fact, it's totally possible to make a plane fly purely with mems aerosurfaces, but no one's done it, probably because of the cost 11:47 -!- CryptoDavid [uid14990@gateway/web/irccloud.com/x-vspoibgaogfikuyr] has quit [Quit: Connection closed for inactivity] 11:48 -!- sanehatter [sanehatter@gateway/vpn/mullvad/sanehatter] has joined ##hplusroadmap 12:14 < docl> huh... so that could change if cost to make MEMS stuff is reduced dramatically enough 12:17 < lsneff> Also durability 12:21 < lsneff> These would have sub-millimeter actuators. The oil in your skin would gum them up. 12:21 -!- Jayson_Virissimo [~Jayson@ip98-165-142-10.ph.ph.cox.net] has joined ##hplusroadmap 14:17 -!- justan0theruser is now known as justanotheruser 14:33 < maaku> lsneff: his dissertation has 10um feature sizes 14:33 < maaku> that's...a long way from atomically precise 14:35 < lsneff> Yeah, the fact that it's laser based makes that obvious 14:43 < maaku> yeah I could see them improving feature size by an order of magnitude with better process 14:43 < maaku> but they need 10^5 improvement to get to atomic scale 14:44 < maaku> It's a kinda cool technology that is maybe transformative for buliding complex sensors for mobile devices (although I don't know how special it is... you can already do some wicked cool stuff with MEMS) 14:44 < maaku> but i don't see the connection to APM 14:47 < lsneff> There's not much information available, but to me, it seems like they have done plan to go from mems onward. 14:48 < lsneff> *some 14:54 < lsneff> Or maybe they have no idea. 14:55 < lsneff> It is interesting that they'd decided to brand around APM, rather than just as cheaper, faster MEMS 15:00 -!- mrdata_ [~mrdata@unaffiliated/mrdata] has quit [Ping timeout: 246 seconds] 15:05 < maaku> I want to say that it's just a spin to have a unique angle for fundraising, but I would expect that cheaper,faster,more capable mems is actually the better fundable idea 15:34 -!- mrdata [~mrdata@unaffiliated/mrdata] has joined ##hplusroadmap 16:04 -!- Jayson_Virissimo [~Jayson@ip98-165-142-10.ph.ph.cox.net] has quit [] 16:06 -!- spaceangel [~spaceange@ip-89-102-171-33.net.upcbroadband.cz] has quit [Remote host closed the connection] 16:09 -!- justanotheruser [~justanoth@unaffiliated/justanotheruser] has quit [Ping timeout: 272 seconds] 16:11 < lsneff> .t https://link.springer.com/article/10.1140%2Fepjc%2Fs10052-021-08967-3 16:11 < saxo> Galactic rotation curve and dark matter according to gravitomagnetism | SpringerLink 16:12 < lsneff> I refuse to believe this paper is consistent. 16:21 -!- justanotheruser [~justanoth@unaffiliated/justanotheruser] has joined ##hplusroadmap 16:29 -!- Urchin[emacs] [~user@unaffiliated/urchin] has joined ##hplusroadmap 16:37 -!- Urchin[emacs] [~user@unaffiliated/urchin] has quit [Ping timeout: 246 seconds] 16:47 -!- srk [~sorki@gateway/tor-sasl/sorki] has quit [Remote host closed the connection] 16:47 -!- srk [~sorki@gateway/tor-sasl/sorki] has joined ##hplusroadmap 16:52 -!- justanotheruser [~justanoth@unaffiliated/justanotheruser] has quit [Ping timeout: 260 seconds] 17:02 -!- justanotheruser [~justanoth@unaffiliated/justanotheruser] has joined ##hplusroadmap 17:03 -!- helleshin [~talinck@cpe-174-103-159-2.cinci.res.rr.com] has joined ##hplusroadmap 17:09 -!- justan0theruser [~justanoth@unaffiliated/justanotheruser] has joined ##hplusroadmap 17:10 -!- justanotheruser [~justanoth@unaffiliated/justanotheruser] has quit [Ping timeout: 264 seconds] 17:12 -!- metl_boar [~root@52.144.111.37] has quit [Quit: Leaving.] 17:15 -!- metl_boar [~root@52.144.111.37] has joined ##hplusroadmap 17:16 -!- justan0theruser [~justanoth@unaffiliated/justanotheruser] has quit [Ping timeout: 264 seconds] 17:29 -!- justan0theruser [~justanoth@unaffiliated/justanotheruser] has joined ##hplusroadmap 17:51 -!- justan0theruser [~justanoth@unaffiliated/justanotheruser] has quit [Read error: Connection reset by peer] 18:05 -!- yashgaroth [~ffffffff@2601:5c4:c780:6aa0:9558:2e5f:e9a0:9619] has quit [Quit: Leaving] 18:08 -!- justan0theruser [~justanoth@unaffiliated/justanotheruser] has joined ##hplusroadmap 18:36 -!- justan0theruser [~justanoth@unaffiliated/justanotheruser] has quit [Ping timeout: 272 seconds] 18:37 -!- justan0theruser [~justanoth@unaffiliated/justanotheruser] has joined ##hplusroadmap 18:54 -!- justan0theruser [~justanoth@unaffiliated/justanotheruser] has quit [Ping timeout: 272 seconds] 19:07 -!- justan0theruser [~justanoth@unaffiliated/justanotheruser] has joined ##hplusroadmap 19:34 < maaku> lsneff: why? 19:35 < maaku> also: gravitomagnetic? 19:37 < maaku> I never took a GR course, so I'm wondering if this is a term they came up with or something I'm just ignorant of 19:37 < lsneff> maaku: gravitional analog of electromagnetism 19:37 < lsneff> Moving masses and all that 20:10 < lsneff> .t https://our.status.im/vitalik-escalates-eth-2-0-merge-as-miners-plan-a-51-attack/ 20:10 < saxo> Vitalik escalates ETH 2.0 merge as miners plan a 51% attack 20:15 < fenn> 'Ethereum can perform a "quick merge" by rapidly moving from proof-of-work to proof-of-stake' 20:15 < fenn> uh huh 20:16 < fenn> seems like a drastic change 20:18 -!- darsie [~kvirc@84-113-55-200.cable.dynamic.surfer.at] has quit [Ping timeout: 246 seconds] 20:19 < maaku> lsneff: yeah I just wasn't aware a moving mass induces a tangential accelration a la electric charges moving in a magnetic field, but maybe this is a GR thing (related to frame dragging?) 20:19 < lsneff> I believe it's another term for frame dragging 20:19 < maaku> ah ok 20:21 < maaku> Vitalik: we're going to get rid of the miners and give mining fees to the users; Miners: Uh, how about NO; Vitalik: 20:22 < maaku> Did he not speak to the miners at all? Amatuer hour. 20:22 < lsneff> a successful 51% attack on eth would be very bad for its value 20:22 < maaku> lsneff: ethereum has done worse in the past and survived 20:22 < maaku> see DAO fiasco 20:24 < maaku> Seriously though, when we rolled out merge mining to Tradecraft/Freicoin, I reached out to a supermajority of the hash power and made sure they understood and agreed with the long term value proposition. 20:24 < maaku> Since the switch to merge mining means they're now basically trivial and powerless, they had a lot to lose. 20:24 < maaku> Did the ethereum developers not do the same? 20:26 < lsneff> how many miners does tradecraft have? 20:26 < maaku> in terms of absolute hash power, effectively nil (hence the switch to merge-mining) 20:27 < maaku> but it still meant reaching out to a dozen or so people 20:28 < maaku> quick google shows that just 4-6 orgs control a majority of ethereum hashpower, so the situation would be comparable. 20:29 < maaku> lsneff: now that merge mining is active I am working to get bitcoin mining pools to adopt it, but as that's a work in progress, the hashrate hasn't grown significantly 20:29 < maaku> a bit off topic though, better for #tradecraft 21:03 < lsneff> It's pretty cool how I sent an acquaintance some notes I had about programmable vr environments, and now he's started a company doing almost exactly that, just shittier. 21:05 < maaku> "just shittier" lol 21:06 < lsneff> It's the idea I had, just less generalized and worse 21:06 < lsneff> I need to be more careful about sharing ideas I guess 21:38 < fltrz> lsneff, I have an independent succinct derivation for gravitomagnetic term, so I faithfully believe it 21:39 < fltrz> i.e. my derivation does not rely on GR 22:02 < maaku> programmable VR goes back a long way -- https://en.wikipedia.org/wiki/Croquet_Project 22:35 -!- Urchin[emacs] [~user@unaffiliated/urchin] has joined ##hplusroadmap 23:13 -!- juri_ [~juri@178.63.35.222] has quit [Ping timeout: 240 seconds] 23:20 -!- juri_ [~juri@178.63.35.222] has joined ##hplusroadmap --- Log closed Sat Mar 13 00:00:54 2021