Tuesday, 29 October 2019

An electronic signal expands a material by a factor of 100

Researchers have discovered a material that can both increase and reduce its volume when exposed to a weak electrical pulse. In a sponge, or filter, the researchers can control the size of particles that pass through.

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A miniature swimming robot inspired by marine flatworms

Engineers have developed a versatile swimming robot that nimbly navigates cluttered water surfaces. Inspired by marine flatworms, the innova...