Polish maker Nikodem Bartnik has created a robot head that can answer questions like an ancient Greek philosopher. The robot has a metal mask with 3D-printed moving eyes, LED lights behind its mouth, ...

Robots are super interesting, but you probably shouldn’t start learning about them with a full-sized industrial SCARA arm or anything. Better to learn with something smaller and simpler to understand.

Scientists have designed swarms of microscopic robots that communicate and coordinate using sound waves, much like bees or birds. These self-organizing micromachines can adapt to their surroundings, ...