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Scientists have created a very small, flexible and battery-free device, able to track how much sunlight a person feels in a sunny atmosphere. This could help prevent skin cancer, according to the journal Transnational Medical Science.
The device, which does not exceed the size of a coin and can be worn, has wireless features that allow users to see data on the amount of ultraviolet radiation through the smartphone.
The device can be used to determine the amount of sunlight required under certain conditions. For example, premature babies are often born with bile and treated with blue light. With these innovative devices, doctors can make sure the baby gets the right dose.
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