PopSci: Meet The NASA Scientist Who’s Reinventing The Wheel

Salim Nasser, a NASA engineer, inventor and quadriplegic, has created a wheel that could dramatically reduce how much energy a wheelchair user expends moving his or her chair forward. Now Rowheels, the company he cofounded in 2012, hopes to bring the wheel to market later this year. If successful, it should mean more efficient mobility and healthier bodies for users, Nasser says. Read the full PopSci story here.