Australian construction robot Charlotte uses sand, crushed brick and recycled glass to 3D print fireproof, floodproof homes with reduced carbon footprint.
A new kind of shape-shifting material can twist, bend, and snap into more than a dozen three-dimensional forms—no motors or ...
Abstract: An invisibility cloak designed with 3-D microwave circuit assistance is proposed in this letter. Conformally wrapped around a square tube, the cloak achieves substantial radar cross-section ...