Mmastodon TechnologyTechnology first seen 4 h ago, last 31 min ago, peak #1

Twisting elastic rods power a hopping frog robot

Original: 🐸 NEW: Engineers at the University of # Michigan and # UCLA found that twisting a coiled elastic rod stores # energy tha

Engineers at the University of Michigan and UCLA have found that twisting a coiled elastic rod stores energy that releases in a sudden snap. They applied the principle to a palm-sized frog robot weighing under 100 grams, which uses two snapping rods to hop three body lengths per second across surfaces like wood. The work points to new ways of storing and releasing energy in small jumping robots.

Why now: The novel energy-storage mechanism and its demo in a hopping robot is fresh research news attracting attention.

University of MichiganUCLA

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Evidence

• 🐸 NEW: Engineers at the University of # Michigan and # UCLA found that twisting a coiled elastic rod stores # energy that releases in a sudden snap. Their palm-sized frog robot, weighing less than 100 g, uses two snapping rods to hop three body lengths per second across wood,… · tksst@fediscience.org · 6

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