Researchers have found a way to turn rubber bands into cheap, flexible body-monitoring sensors by infusing them with graphene. A team from Surrey University and Trinity College Dublin said its method could be used to create low-cost strain sensors that measure the changing flow of electricity through the body. This could allow them to accurately monitor bodily movements, breathing and heart rate, either as a standalone device or by integration into clothes. They could even be used to measure changes in buildings, particularly where rubber is already used as a construction material. 'You can easily produce similar types of devices but the advantage of this system is it's extraordinarily easy to make,' said Dr Alan Dalton, who led the Surrey team.
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