related: "All-optical machine learning using diffractive deep neural networks" https://news.ycombinator.com/item?id=17698135 https://news.ycombinator.com/item?i

related: "All-optical machine learning using diffractive deep neural networks" https://news.ycombinator.com/item?id=17698135 https://news.ycombinator.com/item?id=17698135