[Richard Osgood] is back again with an interesting project. This time he has constructed a color sensor. His initial design was to use three LEDs and a photoresistor. He would shine a red, then green, ...

Color-changing mood rings, forehead fever strips and car-shade indicators all change hues as they warm and cool, thanks to a phenomenon called thermochromism. On a smaller scale, thermochromism is ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Creating black and white photographs isn't just removing color, here's what it takes to enhance ...

Nanoleaf has branched out their line of smart home lighting again with the brand-new Smart Multicolor Ceiling Light option.