Tag ~engineer research and development center erdc

3dprint permalink d printing construction d printing featured stories military d printing north america construction engineering research laboratory cerl department of defense deployable construction d printers engineer research and development center erdc megan kreiger michigan technological university national institute of standards and technology us army corps of engineers

3dprint permalink d printing construction d printing military d printing north america science technology d printed construction materials ceramic d printer cold regions research engineering laboratory crrel engineer research and development center erdc ice d printing liquid nitrogen us army