Twisted graphene has become the big thing in physics

Post by Arbalest » Fri, May 03, 2019, 5:34 AM UTC

rubyn00bie wrote: post #19

soulofmischief wrote: post #15

Earlier quoted context omitted.

No, because that would violate the Law of Conservation of Energy, which according to our current understanding would imply that this form of "perpetual motion" is impossible as long as the system experiences some sort of load. [0] [0] https://en.wikipedia.org/wiki/Conservation_of_energy

I don’t think I’m talking about perpetual motion at all... When I say never loses a charge I don’t mean it’s limitless capacity. I mean it could be charged 1,000,000 times without any affect on the capacity of the system? Maybe a better way to say it, a battery that does not degrade with each use. Superconductors allow for the perfect transfer of electrons without any loss? So like if I had a giant earth sized graphe…

Post by garmaine » Fri, May 03, 2019, 5:46 AM UTC

Arbalest wrote: post #21

rubyn00bie wrote: post #19

Earlier quoted context omitted.

I don’t think I’m talking about perpetual motion at all... When I say never loses a charge I don’t mean it’s limitless capacity. I mean it could be charged 1,000,000 times without any affect on the capacity of the system? Maybe a better way to say it, a battery that does not degrade with each use. Superconductors allow for the perfect transfer of electrons without any loss? So like if I had a giant earth sized graphe…

The second law of thermodynamics basically stipulates this is impossible. All materials wear out no matter what, even black holes eventually turn to entropy. You could create one with much better resistance to wear, but never completely resistant. Also I doubt true superconductors exist, it may be their losses exist below measurement error, but the fact that electrons are in relative motion, and are subject to the ef…

Post by Yuioup » Fri, May 03, 2019, 5:57 AM UTC

gigatexal wrote: post #8

Yes. There’s not applicable commercially viable things based on graphene yet. But superconductivity will be a revolution in many ways and especially in computing.

Post by scotradamus » Fri, May 03, 2019, 6:08 AM UTC

mailslot wrote: post #17

gigatexal wrote: post #8

Yes. There’s not applicable commercially viable things based on graphene yet. But superconductivity will be a revolution in many ways and especially in computing.

Superconductivity would revolutionize transportation, low cost medical imaging with MRIs, and weapons. Lots of weapons.

Post by Arbalest » Fri, May 03, 2019, 6:12 AM UTC

ouid wrote: post #26

Arbalest wrote: post #24

Earlier quoted context omitted.

That is what superconductivity is defined as, perhaps, but I'm saying, no such material is, nor can any construct be built to insulate a subset of the universe from the rest of the universe. So even if you magically made a material that in itself causes no friction, the electrons still have the rest of the universe to deal with. For example, how would electrons go around corners without having a force applied on it?…

I'm definitely not an expert, but just because you need force to go around corners doesn't mean you need work. An unchanging magnetic field in fact exactly accomplishes this, as it always accelerates an electron perpendicular to its motion, thereby leaving the energy of the electron unchanged.