Advancements in technology have enabled microcameras on the tip of endoscopes to supply images from the inside of the human body in ever higher resolution, which often makes it possible to identify tumors at an early stage. In order to counter the downsides such as costs and the time consuming procedure of sterilization between uses, ... »

A camera that takes photos with an invisible flash of infrared and ultraviolet light points to a smarter way to take photos in the dark. Dilip Krishnan and Rob Fergus at New York University created the camera in an attempt to deal with problems which regular flashes have. To make their “dark flash” camera, they ... »