This Wristband Tells You When You've Had Enough Sun

This Wristband Tells You When You've Had Enough Sun This UVSunSense ($5 for seven), is a new form of sun protection that helps prevent overexposure to the sun. Developed by a nuclear physicist, this wristband measures exposure to the ultraviolet radiation found in sunlight. Check out BellaSugar for more on this high-tech bracelet!