Apple Sunmeter : ADC Merit Award Idea Apple took the phone a step further with Apple Watch, always in our wrist, always in contact with our skin. We will use such a powerful tool to protect ourselves from the sun dangers. Demo Location Thanks to the GPS location and Internet connection, Apple Watch knows the level of radiation in the area. Radiation The camera sensor would know how much exposure your skin is receiving. When it becomes dangerous, an alarm would sound. Sunscreen You can also configure it to sunbath in a safe way adding the sunscreen factor you are using. Notifications The app would remind you when to apply more sunscreen to continue enjoying the sun in a safe way.