The Robot Hand That Can Grab Anything

A video on YouTube. In Science & Engineering, a Krater category.

Summary by Krater

The host builds a robotic arm using a granular jamming gripper made with coffee grounds and a balloon, and tests its ability to pick up various objects of different shapes and sizes.

From the video

Answers: How does a granular jamming gripper work and how can you build one?

granular jamming gripper mechanism
force chains in granular materials
vacuum-operated robotic hand
testing robotic gripper on various objects

What it concludes

Granular jamming allows loose grains to transition from a liquid-like state to a solid-like state when confined and subjected to pressure differences.
A granular jamming gripper can adapt to and pick up objects of almost any shape without complex programming.

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