Christopher J. Tassone Ph.D. ’04 gave a talk on 3-D printing for perfect metal parts at the SLAC National Accelerator Laboratory on March 26, 2019. He works as a staff scientist at SLAC National Accelerator Laboratory, where he uses x-ray beams to probe the atomic structure of materials as they are created to build better performing solar panels, catalysts, and mechanical parts. During his time at SCU he performed research to develop nano-structured water sensors for missions to other planets in collaboration with NASA Ames Research Center.