JACKSONVILLE, Florida, May 15 -- The University of North Florida issued the following news: * * * UNF receives NSF award to reduce flaws in 3D printed metal parts The University of North Florida has received a National Science Foundation (NSF) award that will allow researchers to make 3D printed metal parts more reliable and less wasteful. Dr. Longfei Zhou, assistant professor of advanced manufacturing engineering, and a team of student researchers will utilize the NSF award to develop a sy  more