It's a tall order: make a material that conducts electricity, stretches like rubber, expands and contracts when hit with electric current, and is clear as glass. There have been many attempts, but ...

In a materials science laboratory at Harvard University, a transparent disk connected to a laptop fills the room with music—it's the "Morning" prelude from Peer Gynt, played on an ionic speaker. No ...

An innovative design turns soft hydrogels into ionic conductors with diverse applications, from artificial muscles to transparent audio speakers. An innovative design turns soft hydrogels into ionic ...

In a materials science laboratory at Harvard University, a transparent disk connected to a laptop fills the room with music -- it's the "Morning" prelude from Peer Gynt, played on an ionic speaker. No ...