During the demonstration, the two brothers set a new record for the fastest time a robot could solve a 4x4x4 puzzle cube.

For nearly half a century, the dream of microscopic robotics has felt tantalizingly close, yet perpetually out of reach. We have grown up on a diet of science fiction like Fantastic Voyage, imagining ...

Solving a technical challenge that has stymied science for 40 years, researchers have built a robot with an onboard computer, sensors and a motor, the whole assembly less than 1 millimeter in size — ...