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A team of South Korean researchers at Seoul National University (SNU) have produced a highly sensitive synthetic equivalent to human skin. Mimicing the interlocking “nanohairs” of a beetle’s wing the flexible sensors are capable of distinguishing and measuring pressure as well as torsional forces. The ability of the electronic skin to integrate naturally with human skin means it may be used for biomedical instruments or as a touch sensor by distinguishing different physical signals applied to its surface, and potentially could produce sensations and feelings in prosthetic limbs.