Reversible circuits [1] built with superconductors could generate no excess heat at all. [1]: https://spectrum.ieee.org/the-future-of-computing-depends-on-maki

Reversible circuits [1] built with superconductors could generate no excess heat at all. [1]: https://spectrum.ieee.org/the-future-of-computing-depends-on-making-it-reversible https://spectrum.ieee.org/the-future-of-computing-depends-on...