In a room at the University of Oslo in Norway, Tiago moves around, looking people straight in the eye with a smiling face. Sometimes Tiago gets agitated, like when it plays Connect Four, a board game ...

Robots are machines that can automatically perform both simple and complex actions. They are often programmed by a computer, but there's no single definition of a robot. Robots include a wide variety ...

Dec. 26, 2025 A new microchip-sized device could dramatically accelerate the future of quantum computing. It controls laser frequencies with extreme precision while using far less power than today’s ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Gordon Scott has been an active investor and ...