Moving pins on a perforated screen gives the visually impaired a constantly updated way to navigate the urban environment. Imagine an urban route you know well--extremely well. It’s the kind of comfortable path you walk from your front door to the bus stop five days a week, or the shortcut you follow to your favorite coffee shop. After your first step, it’s like muscle memory kicks in and your body just takes you there without thinking. You feel like could do it with your eyes closed. Could you? Navigation becomes infinitely more complex when sight is no longer an option, and ... Read More