Muscle-like material expands and contracts in response to light

Just as controlled-release medications slowly dole out their cargo after they experience a pH change in the body, implanted 'artificial muscles' could someday flex and relax in response to light illuminating the skin. Scientists have developed a new material that expands and contracts, lifting a weight merely by shining a light on it.

from All Top News -- ScienceDaily https://ift.tt/2FQlieC