[Paul McCabe] wrote in to let us know about his $25 robot. This small wheeled robot is based on an ESP32 and made using cardboard and hot glue. You drive the contraption using a Bluetooth game ...

Microrobots have long promised precision drug delivery inside the human body, but making them practical has remained difficult. Many designs are complex, expensive to manufacture, or hard to control ...

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 ...