US robotics firm Swarmbotics AI has unveiled a new generation of ground-based autonomous systems designed to deliver ...

This pocket-sized printer connects via Bluetooth to your phone and spits out credit-card-sized photos in minutes. Amazon has ...

Modern smartphones have pixel densities ranging from 300 to 500 pixels per inch. Retina E-Paper pixels could be crammed into a device at 25,000ppi, according to researchers.