Printing circuits on rare nanomagnets puts a new spin on computing

https://phys.org/news/2022-03-circuits-rare-nanomagnets.html

"artificial spin glass as a proof-of-principle Hopfield neural network, which mathematically models associative memory to guide the disorder of the artificial spin systems... links two or more memory patterns related to an object... memories of these networks correspond to ground states of a spin system and are less disturbed by noise than other neural networks"