Andrew Polk, 26, teaches 10th-grade English in suburban Ohio, not far from where he grew up. As a high school student less ...

Microdroplet arrays store and conceal digital data through droplet composition, enabling reversible encoding, multi-layer QR ...

Over the past decades, a growing number of robotics teams have started developing modular robots inspired by the ancient paper-folding art of origami. More recently, some of these teams started ...