As the new robot called Sprout walks around a Manhattan office, nodding its rectangular head, lifting its windshield wiper-like “eyebrows” and offering to ...

How to Make a Simple Fire Alarm ...

If you wanted to build a robot that chased light, you might start thinking about Raspberry Pis, cameras, and off-the-shelf computer vision systems. However, it needn’t be so complex. [Ed] of ...