He co-­developed the ­WeWALK—a smart cane that detects objects above chest level and pairs with apps, such as Google Maps—to help the 250 million visually impaired and blind people worldwide ...

Let’s see if you can hit the jackpot with this one. In this image, a cane is cleverly hidden among other objects, making it quite a challenge to locate. At first glance, it might look like just ...