Haptic belts and other wearable devices that can guide you may not exactly be a new idea -- we've even seen some DIY attempts -- but the US Army testing them? Well, that's something worth noting. As New Scientist reports, the Army Research Office in North Carolina is now working on just such a device (likely more advanced than the one pictured here), and hopes that the belts could eventually be used to remotely guide soldiers on the battlefield. That's done with a combination of GPS, an accelerometer and a compass -- and, of course, the haptic part of the equation,
