Introducing Solar Powered Hearing Aids
The first hurdle was technology. Back home in Canada, Weinstein had made a pile of money in the plumbing business. He could tell you everything about bushings and bidets—but he didn’t know the first thing about audiology. “I didn’t know a decibel from Tinkerbell,” he says. Even so, he didn’t need a degree in physiology to understand the scope of the problem. The World Health Organization says there are roughly 250 million hearing-impaired people around the globe, with two thirds of them living in developing nations....