News Life Flash leads to flex in lab-grown muscle Light-activated tissue inspires dream of squirming robots By Meghan Rosen September 18, 2012 at 9:04 am - More than 2 years ago Share this:Share Share via email (Opens in new window) Email Click to share on Facebook (Opens in new window) Facebook Click to share on Reddit (Opens in new window) Reddit Click to share on X (Opens in new window) X Click to print (Opens in new window) Print Artificial muscle tissue that recoils when hit with a burst of light could one day be used to build soft-bodied robots that can be guided by light. The light-sensitive tissue could also be used to test new drugs that target muscle-wasting diseases, says Mahmut Selman Sakar of ETH Zurich.