Duke University researchers have demonstrated Argus, a 20-legged robot whose sea-urchin-like body gives it near-uniform motion and perception in every direction.
Rather than copying a specific animal, the work borrows a deeper biological design idea: symmetry as a route to resilience.
The practical significance is the proposed design principle, “dynamic isotropy,” which could help engineers compare and design robots for rough terrain, damage tolerance, payload carrying, and unpredictable field environments.
https://techxplore.com/news/2026-05-sea-urchin-strange-legged-machine.html
