Materials inspired by disappearing Hollywood dinosaurs and real-life squid have been invented by engineers. They change how they reflect heat, smoothing or wrinkling their surfaces in under a second after being stretched or electrically triggered, making them invisible to infrared vision tools.

See the source article by following the link below:
Materials inspired by disappearing Hollywood dinosaurs and real-life squid have been invented by engineers. They change how they reflect heat, smoothing or wrinkling their surfaces in under a second after being stretched or electrically triggered, making them invisible to infrared vision tools.