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Phys.org — Technology · November 10, 2026 · On the brief until November 24, 2026

Extra robotic thumb lets wearers complete two-handed tasks with one hand

Biomedical EngineeringKinesiologyRobotics
THE AI ANGLE
Predicting robotic thumb movements from camera images and joint positions

UC San Diego researchers built EgoThumb, a wearable robotic extra thumb that holds objects during single-handed tasks. The device uses a palm-facing camera and imitation learning to grip and release without direct user commands. This gives wearable robotics and ergonomics researchers a working model for autonomous supernumerary limbs that assist natural hand movement.

Summary written by AI Business Lens with an AI model from the article at techxplore.com. It is not the article, and the publisher has not reviewed it. For publishers.

THE TEACHING ANGLE
Autonomous wearable digits reduce the mental effort of manual control, but their reliability drops when tasks move outside trained spatial zones.

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