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 — ...

Listen to the audio edition here: Inside a lab in the University of Pennsylvania’s Levine Hall are robots so tiny they can balance on a single ridge on a human fingerprint. At 200 by 300 by 50 ...

Researchers have succeeded in developing the smallest fully autonomous robot in history. It measures less than 1 millimeter and can swim underwater for months powered only by light. Miniaturization ...