Apple iWatch could literally have your back with UV exposure sensor

Those who burn easily in the sun could have the Apple iWatch on their side, watching their back. Blayne Curtis, an analyst who toils for Barclays, says that the Apple smartwatch will contain UV exposure sensors, to make sure that the owner of the watch doesn't get too much sun and burn. The sensors would come from Austin, Texas based Silicon Labs. The company announced the chip in February, saying that that they are "the first single-chip digital UV index sensors."



The chips do more than protect you from getting a nasty sunburn. They can also measure heart rate, pulse and blood oxygen level. ...



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