A palm-sized robot has been made with a drop of liquid metal in a plastic wheel. The robot’s wheel rolls when the liquid metal changes the center of gravity, which is controlled by altering the ...

Update, 2/27/17: Nearly a month after the first footage of the bot was leaked online, Boston Dynamics has finally released an official video of Handle — its new self-balancing, wheel-footed robot.

Over the past decades, roboticists have introduced a wide range of systems that can move in various complex environments, including different terrains, on the ground, in the air, and even in water. To ...