Slowly but surely, tech is finding its way into every wearable accessory we have – the best smartwatches have been on the scene for years, serving not only as an extension of our smartphones but as health and fitness trackers, while the best smart rings offer sensors for key health metrics in a smaller package than watches. And now it’s time to get ready for smart earrings.Researchers at the University of Washington have unveiled the Thermal Earring, which is
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