JUST WATCHEDColor-changing inks respond to the environmentReplayMore Videos ...MUST WATCHColor-changing inks respond to the environmentUK designers The Unseen make materials printed with inks that change color in response to environmental changes.Source: CNNGreat by Design (6 Videos)Color-changing inks respond to the environmentFirefighters see through smoke with new maskThe science of saving priceless artThe whisky distillery that's green in spiritThis goo can make football and soldiers saferMeet the man searching for the perfect soundSee MoreColor-changing inks respond to the environmentUK designers The Unseen make materials printed with inks that change color in response to environmental changes.Source: CNN