Birds-of-paradise are sending secret color signals invisible to human eyes, scientists say
Plumage and body parts of birds-of-paradise glow in certain areas when viewed under blue and ultraviolet, or UV, light, ...
Business Insider2y
I tried these color-changing UV stickers that let you know when you need to apply more sunscreen. I'll never go to the beach without them again.
From there, your only job is to keep a close eye on the spot's color. A light purple spot means your skin is partially protected from harmful UV rays. A dark purple spot means it's time to reapply ...
Lupus Foundation of America11y
Decreasing UV exposure from fluorescent lights
In some people that are photosensitive, UV light from sunlight and indoor light sources can trigger a lupus flare. In addition to sunlight, ultraviolet rays are also given off by several different ...
Designing molecules that produce color-changing circular light for 3D displays and security printing
Certain advanced technologies, such as 3D displays, biosensing, and security printing, can utilize circularly polarized ...
scmp.com10d
All that glows: what makes highlighter ink so bright and what else shines under UV light?
Highlighter pens contain chemicals that absorb visible light as well as ultraviolet (UV) light, which humans cannot see. The UV light “excites” the electrons in the ink’s molecules and ...