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Digital
Your Smartwatch's Heart Rate Monitor Was Developed by a Furry
Twenty years ago, heart rate monitors were single-purpose, dedicated devices focused on health and fitness. Today they’re incredibly common and built into just about every major fitness tracker and smartwatch, thanks to the development of the optical heart rate sensor. There’s a good chance you’re wearing one now, but here’s something you probably didn’t know about the technology: It was invented by a furry.