- American Physical Society Sites
- Meetings & Events
- Policy & Advocacy
- Careers In Physics
- About APS
- Become a Member
Image: Collin Eaker and Rashed Khan, Dickey Research Group, North Carolina State University
It is possible to control the shape of liquid metals composed of gallium using low voltages. The voltage deposits or removes a surface oxide that forms on the metal, which alters the surface tension of the metal.