H. G. Wells's "The Invisible Man" brought the idea of invisibility to the mainstream over a century ago. Not long after, the fascination with invisibility became a hot trope in fantasy and sci-fi ...

Scientists have created a new light-activated ink that can change color on demand. It’s made up of microbeads of different colors that rise or sink in response to different wavelengths of light so ...

Intelligent infrared thermal camouflage technology integrates various active materials and control methods to achieve broad-spectrum, real-time sensing, and rapidly responsive adaptive dynamic ...