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 ...

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 ...