About five days ago, my fiancee started feeling sick. It started with the sniffles, and then developed into a full-blown hacking cough, and ended up with a late night trip to the doctors. As I write this, she’s dosed up on antibiotics, nursing a cup of tea, and curled up in bed. Anxious that she was coming down with a fever, I’ve been closely monitoring her temperature. But I haven’t been using a traditional thermometer, which is essentially mercury in a thin glass tube. Instead, I’ve been using Flo, which is a contact-free infrared thermometer which has its own companion app.…

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