There Really Is a “Batman” and He Isn’t in the Comics
Daniel Kish lost both eyes to cancer as a baby. With nothing to lose, he discovered human echolocationPerhaps one should not really say that Daniel Kish “discovered” human echolocation. Yet, having no other options as a blind infant cancer survivor, he discovered early on — and began to publicize — a sense that few sighted persons would even think of: He calls his method FlashSonar or SonarVision. He elaborated for the BBC: Do people need to be blind to do it? Not necessarily: In 2021, a small study led by researchers at Durham University showed that blind and sighted people alike could learn to effectively use flash sonar in just 10 weeks, amounting to something like 40 to 60 hours of total training. By the end of it, some of them were even better at specific tests Read More ›