There's a common popular science demonstration involving "soap boats," in which liquid soap poured onto the surface of water creates a propulsive flow driven by gradients in surface tension. But it ...

Happy, sad, surprised, angry, neutral: These are the five emotions conveyed by Bartholomew, the tiny robot designed by researchers in the School of Engineering and Applied Sciences. Just taller than a ...

A zinc-air microbattery could enable the deployment of cell-sized, autonomous robots for drug delivery within in the human body, as well as other applications such as locating leaks in gas pipelines.