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The photo cameras that we currently use are not so good because of the flat image sensor which is responsible for turning the light into electrical signals. Now, thanks to a breakthrough of the researchers from the Northwestern University and University of Illinois at Urbana-Champaign, we are able to create curved sensors which means that we can design artificial retinas and other endoscopic devices. In order to be as efficient as a human eye, the sensor will use tiny flexible wires to connect individual pixels. This is the first time that somebody manages to design a working camera and “this strategy opens up exciting, new engineering design possibilities by eliminating the two dimensional, planar constraints of conventional, semiconductor wafer-based optoelectronics,” said John Rogers, Professor or Materials Science and... [read full story]
