by Adrian Covert — Daniel Kish lost his eyesight when he was 13 months old. For most of his youth, he functioned fine without a walking stick. He mountain bikes. He camps alone. He moves through cities handily. All thanks to advanced echolocation abilities. According to Michael Finkel (in an article for Men's Journal), Kish can sense everything around him by clicking with his mouth and listening to the quality of the sound, kind of like a dolphin. He calls it FlashSonar...[continued]
