Wikipedia has a huge page on them [1]. There have been developments and startups, see the section on the 21st century [2] for details. [1]: https://en.wikiped

Wikipedia has a huge page on them [1]. There have been developments and startups, see the section on the 21st century [2] for details. [1]: https://en.wikipedia.org/wiki/Memristor https://en.wikipedia.org/wiki/Memristor [2]: https://en.wikipedia.org/wiki/Memristor#Twenty-first_century https://en.wikipedia.org/wiki/Memristor#Twenty-first_century