Fitness tracking wearables are incredibly popular at the moment, and for good reason. Through a variety of sensors, they are able to calculate your levels of physical activity: the distance you travel, how many steps you take, the number of calories you burn, and much more. The best part is that most of these wearables can be slipped onto the wrist, and they do the work without any manual input. You don’t have to worry about turning a particular tracking mode on or telling the device to start monitoring your activity — it’s done automatically throughout the day. However, if you’ve ever used a fitness…
Read the full article: Forget Fitness Trackers: Sweat Sensors Are More Accurate
