a) Illustration of the omnidirectional wavelength-tunable color device featuring a mechanochromic chiral liquid crystal elastomer (CLCE) and an electrically deformable dielectric elastomer actuator ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? The human eye does not actually see purple, as purple is not a color on the visual ...

In a new optical illusion, dots appear purple in central vision but blue in peripheral vision. Here's how it works.

For patients with darker skin tones, colorblind energy-based devices and longer-wavelength lasers are considered safest, according to Arielle Kauvar, MD, director of New York Laser & Skin Care and ...