Aryan Gupta’s sanitation rover replaces unsafe manual drain cleaning with a remotely operated, low-cost robot that protects ...

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 ...

They’re not shooting precision-guided bullets — yet. But Raytheon may be the closest yet, with a tiny guided missile a soldier can launch from a rifle-mounted grenade launcher. Meet the Pike, a ...