Barredo and team report their use of precision optical-engineering methods to sort atoms into arbitrary 3D patterns. Barredo et al. extend their previously reported method for 2D atom sorting to three ...

The eutectic structure of metals and ceramics occurs when multiple solid phases solidify from a liquid phase, forming a three-dimensional (3D) pattern through a self-organizing phenomenon.

People can now download, share and edit files for use in 3D printers from a new government website. The site has files that can be used to create models of anything from a human brain to deadly ...