5/20 Tech Article

Skintrack Turns Your Entire Forearm Into a Smartwatch Touchpad

• Researchers at Carnegie Mellon University have found a way to extend the Smartwatch into a touchpad on your forearm
• Its called the SkinTrack system, and consists of a custom ring and a set of electrodes built into a smartwatch strap
• The ring sends an electrical signal that's picked up by the watch band's electrodes, tracking the ring's location as you move
• The system can follow your finger even if you're just hovering over it, and it knows when you're pressing on your skin
• It can recognize gestures, track your finger, and register taps
• It still works even with your sleeve down