A thin skin of Jell-O—like material made of salty gel and rubbery tape can work as a completely transparent loudspeaker. The new device can carry current — and it’s stretchier and more see-through than today’s best transparent electronic materials, Christoph Keplinger of Harvard University and colleagues report in the Aug.
Log in
Subscribers, enter your e-mail address for full access to the Science News archives and digital editions.