Diametryx Inc. is a Boston, MA (USA)-based startup company developing a series of highly novel color-changing micro/nano-scale particles that can be deployed in ink or film. 

We have invented a new generation of color-changing particles that incorporate these key attributes: 

• Rapid, simple, unambiguous color changes

• Ability to leverage the entire palette of known colors

• Flexibility concerning deployment in either ink and/or film

• Completely new actuation mechanisms

• Unique compositions and methods of manufacture