Towards a safer ‘synthetic muscle’ materials

Whether or not wriggling your toes or lifting groceries, muscle mass in your physique easily increase and contract. Some polymers can do the identical factor — performing like synthetic muscle mass — however solely when stimulated by dangerously excessive voltages. Now, researchers report a sequence of skinny, elastic movies that reply to considerably decrease electrical costs. The supplies characterize a step towards synthetic muscle mass that might sometime function safely in medical gadgets.