Engineering’s Jim McGuffin-Cawley discusses 3D-printed objects that respond to magnets

Scientists are pushing the limits of 3-D printing with these shape-shifting materials

NBC: Jim McGuffin-Cawley, interim dean of the Case School of Engineering and the Arthur S. Holden Professor of Engineering, commented on 3D-printed objects, created by Massachusetts Institute of Technology researchers, that move in reaction to magnets.