hearing aids

  • Solar-powered hearing aids help poor deaf folk

    Solar-powered hearing aids help poor deaf folk

    Did you know that there’s 250 million people around the world who are hearing-impaired? Even worse, two-thirds of them live in the developing world. Odds are, these people don’t have the type of money needed to buy conventional hearing aids, primarily because their expensive batteries last only about a week. What if you could design an affordable hearing aid for the world’s poor? Read More