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The Paper for UV ia designered to solve this problem,made of some special materials,and like a paper.There exists mutual attraction between it and the material of any clothes,thus the Paper for UV can be attached to the clothes firmly.The original color of the Paper for UV is white. If the UVI (UV Index) of the tested place is feeble , the colors changs little; If it is moderate, the color changs into light purple, suggesting people should not be in the sun more than 30 mins; But if it is hign, the color will chang into deep purple, remaining people to take measures to protect themselves.
HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY
Wuhan, Hubei Province, China
Wen Rou ,Huang Rui ,Xu Meng ,Yang Bing