5-Year-Old With Ironman Prosthetic Hand Throws Out First Pitch

This is awesome to see. Five-year-old Jack Carder is a big baseball fan who was born with no fingers, only a thumb, on his right hand. To help him out some Siena College physics students, affiliated with the e-NABLE nonprofit, used 3D printing technology to make him a prosthetic hand that resembles one of Iron Man's. On Tuesday night, Jack got to throw out the first pitch for his hometown team, the Triple-A Columbus Clippers...