Proper waste sorting is very important for keeping our neighbourhoods clean and saving resources for the future. When we mix ...

Abstract: We experimentally demonstrate a metalens array that sorts red (R), green (G), blue (B), and near-infrared (NIR) light on ultra-small pixels. We also ...

Abstract: Food quality detection refers to the process of evaluating and assessing the characteristics, properties, and safety of food products to determine their overall quality. It ensures that the ...

"We typically think of memory as something in a computer hard drive, or within our brains," says St. Olaf College Associate Professor of Physics Joey Paulsen. "However, many everyday materials retain ...