A new photopatterning technique that combines two security images into a single film could help thwart tech-savvy thieves, say researchers in ACS’ Langmuir. The dual-mode film reveals one image when ...

A new photopatterning technique that creates two light-reactive images on one material could prevent counterfeiting.

To stay one step ahead of these bad actors, researchers report that they have developed a new photopatterning technique that creates two light-reactive images on one material.