A Northwestern University professor, working in conjunction with the global beauty company L’Oréal, has 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. The device, as light as a raindrop and smaller in circumference than…
L’Oréal, Researchers Develop World’s Smallest Wearable Device
A Northwestern University professor, working in conjunction with the global beauty company L’Oréal, has 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. The device, as light as a raindrop and smaller in circumference than…