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[Science Daily] An electronic signal expands a material by a factor of 100 - Science Daily - 2019-11-02
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.
https://www.sciencedaily.com/releases/2019/10/191029131509.htm