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Armoring the caterpillar: Study reveals design clues for soft crawling robots moving on smooth surfaces such as glass

A team from the University of Naples Federico II and the University of Palermo used a spring-mass crawling model to analyze the movement of Pieris brassicae caterpillars on wood, steel, slate, and glass, finding that surface roughness is strongly correlated with crawling performance; glass is difficult to traverse because its microscopic roughness is insufficient for the prolegs to grip.

Part of the event: Mathematical model and artificial armor improve caterpillar crawling on glass

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