November 28, 2025Nature CommunicationsOpen Access

Hydrodynamic spin-pairing and active polymerization of oppositely spinning rotors

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Experimental analysis shows self-assembling gyromers in heterogeneous rotor populations, implying potential for metamaterial engineering.

Active chains spontaneously form from oppositely spinning rotors and fluid dynamics, indicating complex collective behavior.
A maximal analysis reveals fluid motion as a key factor in the stabilization of these active structures, supporting their formation.
Observational analysis involves numerical simulations of rotor interactions leading to the creation of organized polymer-like structures.
This work highlights innovative pathways for engineering self-assembled metamaterials, suggesting applications in synthetic biology.

Gelvan et al. (2025) studied this question.

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