For decades, the blind have used canes to get around. Now a special wristband gives them a ‘sixth sense.’

Sunu has developed a wristband that emits a silent, high frequency sound and vibration to alert the visually impaired of obstacles within their environment. Watching Fernando Albertorio stroll down a crowded sidewalk in downtown Washington during a recent lunch hour, casually sidestepping pedestrians running errands and crowding around food trucks, you’d have no idea he […]