Yellow butterfly-shaped soft robot perched on a brown stick, with delicate wiring visible at the base, against a light background.

Soft robots move with a tiny, soft pump

July 27th, 2026

A closer look at the soft robotic butterfly. Photo: The researchers. Soft robots have a “cardiovascular” problem: while their bodies can deform and bend, their hearts, the pumps that keep them moving, have remained bulky and rigid. Researchers at the University of Bristol have created a “soft” miniature pump that weighs about as much as […]

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