Nathan B. Ball G is this year's winner of the Lemelson-MIT $30,000 Student Prize. A powered rope ascender (lower-left) is among the inventions which led to Ball's receipt of the award. Omari Stephens—The Tech May. 8, 2016 Facebook Twitter Reddit Print Nathan B. Ball G is this year's winner of the Lemelson-MIT $30,000 Student Prize. A powered rope ascender (lower-left) is among the inventions which led to Ball's receipt of the award. Omari Stephens—The Tech