MASSACHUSETTS, United States (Reuters) — Harvard’s RoboBees have been upgraded. The tiny robots, the smallest flying drones ever developed, are now capable of perching like a bat to save energy, according to its makers at the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) and the Wyss Institute for Biologically Inspired Engineering at Harvard University. The team used electrostatic adhesion, the same basic science that causes a balloon to stick to a […]