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Living Tissue Drives Small Robotic Devices

Laboratory movement comes with practical limits.

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Technology news editorial illustration for Living Muscle Helps Tiny Robots Jump and Grip

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and a to . The 1.5 .

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Source: ETH Zurich, via Tech Xplore, 2026-10-22.

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Read and understand · 1/2What is converted into movement by the scaffold?

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Muscle tightening. The contraction makes the soft structure bend.

Clue: ETH Zurich researchers jointly designed cultured muscle and a hydrogel scaffold to convert contractions into larger movements. The devices measure about 1.5 centimetres.

Read and understand · 2/2Which limitation prevents a claim of sustained real-world readiness?

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The tissue requires nutrient solution. The dependence on liquid is a practical limitation.

Clue: Jumping and grasping have been demonstrated, but the tissue requires a nutrient solution. The work does not establish a robot ready for sustained real-world operation.

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Distinguish a laboratory demonstration from a ready-to-use device.

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The devices move, but their living tissue must be kept alive.

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