https://www.youtube.com/watch?v=rSKfr3xM1Ro
https://phys.org/news/2017-06-carbon-hard-elastic-rubber.html A team including several Carnegie scientists has developed a form of ultrastrong, lightweight carbon that is also elastic and electrically conductive. A material with such a unique combination of properties could serve a wide variety of applications from aerospace engineering to military armor. https://phys.org/news/2017-06-carbon-hard-elastic-rubber.html