"When Joshua Miele was four years old, he answered his front door, and a mentally disturbed neighbor poured a cup of acid over his head, horrifically burning him and blinding him for life. It was a tragedy that could've destroyed him, but instead, Miele-naturally curious, and a born engineer-not only recovered, but flourished, finding increasingly inventive ways not only to help himself thrive in a world built for the sighted, but to help others to...