Engineers have built an artificial eye inspired by the design of biological eyes which can harness the many valuable characteristics of the human eye for image-sensing. It’s possible that it may even surpass the human eye in performance.
A new study deems mother of pearl or nacre to be the toughest material. Under pressure, nacre's structure deforms to withstand force and then retains its original form when released. Unlike plastic, the material also fully recovers its strength once…