This breathalyzer wearable detects alcohol levels through the skin

Wearables can track can track all kinds of health a fitness data these days, but here's one that focuses on something different: how much alcohol you drink. Called BACTrack Skyn, the wristband acts like a wearable breathalyzer, even though you don't technically breathe into it. Instead, it measures blood alcohol levels through you skin using fuel cell technology similar to …