Inspired by electric eels, University of Cambridge researchers have developed soft, stretchable ‘jelly batteries’. They could be used for wearable devices or soft robotics – or even implanted in the brain to deliver drugs or treat conditions such as epilepsy. Electric eels stun their prey with modified muscle cells called electrocytes. The jelly-like materials developed by the researchers have a similar layered structure, described as being like sticky Lego, that makes them capable of delivering an electric current. Incredibly, the self-healing jelly batteries can stretch to more than 10 times…
