# Deep physical neural networks trained with backpropagation

> Research article (Nature, 2022) · cited 687× · AI/ML

**Wikidata**: [openalex:W4210678178](https://www.wikidata.org/wiki/openalex:W4210678178)  
**Source**: https://4ort.xyz/entity/deep-physical-neural-networks-trained-with-backpropagation