3D–printed objects are no longer a novelty and are paving the way for incredible scientific innovation. For example, a large 3D–printed engine part was successfully tested and could be used in the next generation SLS rocket that will send humans to the moon and Mars, NASA reported … The road to recovery for any individual with deep skin wounds, which affect all three layers of the skin, can be as painful and traumatic as the incident itself … Researchers at the University of Toronto have developed a handheld 3D printer filled with “bio ink” — essentially an ink cartridge containing biological materials. The bio ink contains strips of biomaterial that include the proteins collagen and fibrin, which are used to promote wound healing … read more