An important step to better lithium-ion batteries can be found in Whoop's latest wearable TechSpot

This week, fitness tracking company Whoop unveiled a new wearable that crams a lot of circuitry and sensors into a tiny package that you can comfortably wear on your wrist. It's an impressive piece of kit focused on collecting metrics about your heart rate, sports activity, sleep performance, skin temperature,...





from TechSpot https://ift.tt/2X6eOo8