Zapping tiny metal drops with sound creates wires for soft electronics
A new way to make stretchy wiring uses ultrasound and microscopic spheres of liquid metal
![A microscope image of the nanoscopic balls on a black background](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2022/11/111022_jr_flex-electronics_feat.jpg?fit=1030%2C580&ssl=1)
Exposure to ultrasound creates nanoscopic balls nestled among larger microspheres of liquid metal (shown in this scanning electron microscope image) in a new approach to stretchy wiring.
Wonbeom Lee/Korea Advanced Institute of Science and Technology