Liquid Salts Bring Push-button Lenses Into Focus

First-ever piezoelectric liquids could spark new technologies in optics and hydraulics

3 min read

Liquid Salts Bring Push-button Lenses Into Focus

When two different ionic liquids are compressed by a piston in a cylinder, they generate an electric charge, the first known instance of piezoelectricity in liquids.

M.I. Hossain & G. J. Blanchard/The Journal of Physical Chemistry Letters