How does remote Joule heating of carbon nanotubes advance singularity timelines?

keefe

Carbon nanotubes: The weird world of 'remote Joule heating'

Minimizing Joule heating remains an important goal in the design of electronic devices^1, 2. The prevailing model of Joule heating relies on a simple semiclassical picture in which electrons collide with the atoms of a conductor, generating heat locally and only in regions of non-zero current density, and this model has been supported by most experiments. Recently, however, it has been predicted that electric currents in graphene and carbon nanotubes can couple to the vibrational modes of a neighbouring material^3, 4, heating it remotely⁵. Here, we use in situ electron thermal microscopy to detect the remote Joule heating of a silicon nitride substrate by a single multiwalled carbon nanotube. At least 84%of the electrical power supplied to the nanotube is dissipated directly into the substrate, rather than in the nanotube itself. Although it has different physical origins, this phenomenon is reminiscent of induction heating or microwave dielectric heating. Such an ability to dissipate waste energy remotely could lead to improved thermal management in electronic devices⁶."

These experiments seem extremely important in constructing AI singularity timelines, what does lesswrong think?

What is the impact on life extension research?

Carbon nanotubes in biology and medicine: In vitro and in vivo detection, imaging and drug delivery

Nanotechnology in Drug Delivery and Tissue Engineering: From Discovery to Applications

I don't see a line of inference free of holes, but one can imagine the sort of uses a scifi author would come up with.

Carbon nanotubes: The weird world of 'remote Joule heating'

Minimizing Joule heating remains an important goal in the design of electronic devices^1, 2. The prevailing model of Joule heating relies on a simple semiclassical picture in which electrons collide with the atoms of a conductor, generating heat locally and only in regions of non-zero current density, and this model has been supported by most experiments. Recently, however, it has been predicted that electric currents in graphene and carbon nanotubes can couple to the vibrational modes of a neighbouring material^3, 4, heating it remotely⁵. Here, we use in situ electron thermal microscopy to detect the remote Joule heating of a silicon nitride substrate by a single multiwalled carbon nanotube. At least 84%of the electrical power supplied to the nanotube is dissipated directly into the substrate, rather than in the nanotube itself. Although it has different physical origins, this phenomenon is reminiscent of induction heating or microwave dielectric heating. Such an ability to dissipate waste energy remotely could lead to improved thermal management in electronic devices⁶."

These experiments seem extremely important in constructing AI singularity timelines, what does lesswrong think?

What is the impact on life extension research?

Carbon nanotubes in biology and medicine: In vitro and in vivo detection, imaging and drug delivery

Nanotechnology in Drug Delivery and Tissue Engineering: From Discovery to Applications

I don't see a line of inference free of holes, but one can imagine the sort of uses a scifi author would come up with.

Or maybe you just use "how does X advance singularity timelines?"

Very much not this. I was a visiting fellow at singinst and discussed timelines with many people. I still feel some level of ethical obligation to provide a more complete analysis as I was actually converted to have some worry about this recursive self improvement, though I tend to worry more about IA than AI (even if just because of the IA-->AI path) I'm also poking a little bit at the LW codebase again and wanted to try to stimulate a discussion and explore the site. I was looking for actual discussion of the impact of this on people's timelines, how they are updating on this kind of evidence.

Any you don't have to put "Singularity" in the name of the article.

It's interesting to note that I put singularity and timelines plural, implying this trajectory towards "methusalarity" or whatever you want to call it. I linked the other article to show there is some evidence that this particular advance might very well unlock a lot of tech along a lot of interesting, rapidly accelerating change technologies.

A short explanation of context

I posted the most relevant abstract. If they spent some fairly large time writing that, why should I assume I can do better? If you check out the link, this was published in nature nanotech, so that is pretty big news. I linked to papers on tissue engineering, nanotech used internally. That's three pieces of a puzzle that we're all trying to get a better handle on.

Something like this

I think that's a good introductory description, but I thought people on this site already know all this. I think they know moore's law has stalled and that we're looking to increase it, that we're right on the cusp of the computational power required to search solution spaces near the human scale (watson, go ais, deep blue, etc)

So, what techs will change that space... carbon nanotubes and graphene wires are taken pretty seriously. If our mutual goal is to get ahead of this problem, it seems we should all take the time to do the basic reading and you come to certain concepts - heat dissipation, scaling out rather than up, 3D chips, transistor sizes, nanotechnology, graphene and carbon nanotubes, cloud computing, bot nets, cortical columns, human computer interface, neuronal destruction due to wire thickness and so forth.

It is indeed kind of mean that I ask how this piece fits into everyone's puzzle without disclosing my puzzle, but I do worry about security and that sort of thing and this was a good experiment on how people would respond, thank you for your insights, need to run back to code...

Thanks for explanation. Now my model is that you consider carbon nanotubes very important technology for increasing computational power (more than many other hardware-related technologies), so they are also a very important component in calculating Singularity timeline. Makes sense, though I lack the knowledge necessary to discuss it.

I posted the most relevant abstract. If they spent some fairly large time writing that, why should I assume I can do better?

Because they were writing for a different audience -- for people who already know a lot of context... (read more)

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How does remote Joule heating of carbon nanotubes advance singularity timelines?

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