Some of these new devices remind me of the old "memistor" technology used by the ADALINE/MADALINE machines in the 1960s: https://en.wikipedia.org/wiki/Memistor

Some of these new devices remind me of the old "memistor" technology used by the ADALINE/MADALINE machines in the 1960s: https://en.wikipedia.org/wiki/Memistor https://en.wikipedia.org/wiki/Memistor These are not to be confused with "memristors"; the latter being a two-terminal device, while the memistor is a three-terminal device. If you look at the original papers describing the ADALINE/MADALINE machines, there's a good description on how these devices were originally made - there's nothing about them that couldn't be duplicated today in one's garage or workshop. So - if you have a hankering to build your own hardware neural "logic" element...