As the U.S. continues to wait for newer sunscreen ingredients, patients should use tinted sunscreens to protect against ...

Radiation within the visible spectrum can appear black if it is low in power – more specifically, lower in power than its ...

Blue light is the visible light at the blue end of the spectrum. Although not as energetic as ultraviolet (UV) light, there is concern that high doses of blue light may cause more cellular damage than ...

you know. Let’s pivot to a fun physics lesson. Light exists on an electromagnetic spectrum of wavelengths that are measured in nanometers. Those between 200 and 400 nanometers constitute the invisible ...

Mantis shrimp have remarkable colour vision. They have as many as 16 types of photoreceptor cone, compared with the three ...

"Colors in the visible light spectrum were ... in this ultraviolet image, it appears darker because high-altitude haze particles absorb light at these wavelengths," NASA wrote.

A research team at POSTECH has developed a novel multidimensional sampling theory to overcome the limitations of flat optics.