The color “ultrablack” has a variety of uses, including in cameras, solar panels and telescopes, but it’s difficult to produce and can appear less black when viewed at an angle. A Cornell lab has devised a simple method for making the elusive color.
The color “ultrablack” has a variety of uses, including in cameras, solar panels and telescopes, but it’s difficult to produce and can appear less black when viewed at an angle. A Cornell lab has devised a simple method for making the elusive color.