Wristband responds to UV levels to warn wearers against overexposure to the sun

Often the best ideas are the simplest, and this is certainly true when it comes to innovations in monitoring a person’s health. A new innovation from Scotland’s University of Strathclyde comes in the form of a paper wristband that monitors UV light levels, turning from yellow to pink when the levels have reached their safe limit and thereby alerting the wearer to the danger of sunburn.