Debuting at CES earlier this month was what’s been called “the smallest wearable device in the world”—a sensor that can be applied to a fingernail to measure exposure to UV. Called UV Sense, it was ...

Researchers have developed the smallest wearable device in the world. The wafer-thin, feather-light sensor can fit on a fingernail and precisely measures a person's exposure to UV light from the sun.

Device will warn people of overexposure to UV that can lead to skin cancer First time light from phototherapy can be measured accurately for better dosing 'It's virtually indestructible. We think that ...

A fetching hankie on the head only cuts it for so long and as temperatures soar across Europe, ultraviolet detectors are in vogue. Shade is the latest to hit the market. Founder Emmanuel Dumont says ...