New Nail Polish That Works On Touchscreens

A new chemistry breakthrough could allow people to use long fingernails on touchscreens, addressing a long-standing usability issue with modern devices.

Why Fingernails Don’t Work On Touchscreens

Most modern smartphones and tablets use capacitive touchscreens, which rely on tiny electrical fields across the surface of the display. When a conductive object, such as a fingertip, disrupts that field, the device registers a touch.