Incredible new eco-friendly sensors inspired by spider silk and 50 times smaller than a human hair could be used in fields from healthcare monitoring to virtual reality. The sensors, developed by University of Cambridge researchers, can be printed on a range of biological surfaces from a finger to a flower petal. They are so lightweight that they even printed them directly onto the fluffy seedhead of a dandelion without collapsing its structure. And when printed on human skin, the fibre sensors conform to the skin and expose the sweat pores, so the wearer does not detect their presence. Tests …
