It was my understanding this article was focused on keeping some thing that couldn't tolerate heat protected from some other thing generating the heat. Like people inside a house vs a hot summer day outside. Stacking layers of 10 atom thick sheets of stuff involves empty space of some sort. I freely admit I'm clueless about what "empty" means in this context, let alone how the few layers a tiny fraction as thick as the alternative material does what it does. I got stuck trying to communicate an analogy to function of the gas in a multipane window and the notion that a vacuum beats argon. -Pete
On 8/20/19 1:10 PM, Brian via TriEmbed wrote: > My undereducated $0.02: > > Referring to the insulating layers as "empty space" may not be so > accurate on a practical scale. On subatomic scales, of course, all > matter is mostly empty space; there's relatively tons of nothingness > between atomic nuclei and their electrons. I don't get such a strong > implication that empty space is what's slowing the transfer of heat in > these materials, though; my takeaway from the article is that it has > more to do with how well a particular material dampens vibration. But > on the other hand, how the atomic-scale empty space in a material is > distributed might have a lot to do with it. I'm not even a shade-tree > quantum mechanic. > > At any rate, I'm not sure good insulation is the ticket to further > miniaturization of electronics. Isn't heat the enemy? Robust > electronics have mechanisms that are good at removing heat from the > hot things, not holding it all in. Imagine wrapping your computer's > CPU in a cozy blanket instead of strapping a huge fan to it. I > imagine it would not operate at peak efficiency that way... > > -B > > > > On 8/17/19 1:48 PM, Pete Soper via TriEmbed wrote: >> Toward the end of this short blurb is the basic notion they're >> working toward: treating heat the same way you might treat sound with >> multipane glass to efficiently manage the transfer of thermal energy. >> It seems implicit that the "insulation" between layers with the >> scheme mentioned is simply empty space. >> >> https://phys.org/news/2019-08-shield-atoms-thick-electronic-devices.html >> >> -Pete >> >> >> _______________________________________________ >> Triangle, NC Embedded Computing mailing list >> >> To post message: [email protected] >> List info: >> http://mail.triembed.org/mailman/listinfo/triembed_triembed.org >> TriEmbed web site: http://TriEmbed.org >> To unsubscribe, click link and send a blank message: >> mailto:[email protected]?subject=unsubscribe >> > > > _______________________________________________ > Triangle, NC Embedded Computing mailing list > > To post message: [email protected] > List info: > http://mail.triembed.org/mailman/listinfo/triembed_triembed.org > TriEmbed web site: http://TriEmbed.org > To unsubscribe, click link and send a blank message: > mailto:[email protected]?subject=unsubscribe > _______________________________________________ Triangle, NC Embedded Computing mailing list To post message: [email protected] List info: http://mail.triembed.org/mailman/listinfo/triembed_triembed.org TriEmbed web site: http://TriEmbed.org To unsubscribe, click link and send a blank message: mailto:[email protected]?subject=unsubscribe
