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 Share on Facebook (Opens in new window) Facebook Share on Reddit (Opens in new window) Reddit Share on X (Opens in new window) X 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.