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Robotic metamaterial: An endless domino effect

If it walks like a particle, and talks like a particle... it may still not be a particle. A topological soliton is a special type of wave or dislocation which behaves like a particle: it can move around but cannot spread out and disappear like you would expect from, say, a ripple on the surface of a pond. Researchers now demonstrate the atypical behavior of topological solitons in a robotic metamaterial, something which in the future may be used to control how robots move, sense their surroundings and communicate.

A snake-like robot designed to look for life on Saturn’s moon

A team of roboticists at California Institute of Technology's Jet Propulsion Laboratory, working with a colleague from Carnegie Mellon University's, Robotic Institute, has developed a snake-like robot to investigate the terrain on Enceladus, Saturn's sixth-largest moon.
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