To keep delicate and very small sensors within a future iPhone or Apple Watch clean and working perfectly, Apple is researching the use of heat and light to decompose contaminants.Not really how you should clean an Apple WatchApple has a regularly updated support page about how users can keep their devices clean, but it can only go so far. The very oil from our fingers can make some device sensors less effective, and those can be inaccessible to users.Read more
