A team of researchers at ETH Zurich’s Soft Robotics Lab has developed a robotic hand capable of autonomous movement across various surfaces, performing delicate tasks, and even playing arcade games. Inspired by the disembodied hand known as "Thing" from the Addams Family, the device combines mobility with fine motor skills in an innovative approach to robotics.

The mechanical hand is equipped with a battery, onboard computer, and multiple sensors that allow it to navigate complex environments, including grass and stone, at a consistent speed. In addition to locomotion, it can execute precise actions such as moving blocks and typing on a keyboard. The research team demonstrated the hand’s dexterity by having it successfully complete the classic puzzle game Sokoban, showcasing its ability to manipulate objects with speed and accuracy.

A distinctive feature of the robotic hand is its capacity to recover if tipped over, autonomously righting itself in a manner reminiscent of a hermit crab. According to robotics engineer Amirhossein Kazemipour, one of the project’s leads, the goal was to create a robotic appendage with a degree of independence from a larger robotic system. This capability, he added, could have practical applications for people facing challenges in reaching or grasping objects, potentially enhancing assistive technologies.

In a recent paper published on the preprint server Arxiv, the team described the hand’s ability to approach an object or control interface, interact with it, and return to its starting position. They suggest that granting robotic hands their own mobility could expand the versatility of future robots, particularly in environments designed for human use.

While the device shows promise in mobility and manipulation, its developers acknowledge remaining challenges. Battery life is currently limited, restricting operational time to a few hours. As such, the hand is not yet suited for complex tasks requiring extended endurance or higher-level skills, such as surgical procedures or advanced musical performance.

Experts speculate that this technology could eventually be integrated into larger humanoid robots, enhancing their range of movements and interactions with the environment. For now, however, the autonomous robo-hand stands as a notable step toward more versatile and independent robotic appendages.