Brian Post came to the Department of Energy’s Oak Ridge National Laboratory (ORNL) looking for a way to combine his interests in controls engineering and robotics, and he found it at the Manufacturing Demonstration Facility (MDF), where he and his colleagues are revolutionizing 3D-printing with every improvement they make.   Post works on large-scale additive manufacturing at the MDF, a DOE Office of Energy Efficiency and Renewable Energy User Facility at ORNL. “A lot of that comes down to sys...