by drawing energy <from shear> in the surrounding fluid (Physics)

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Does "by drawing energy from shear in the surrounding fluid" mean "by drawing energy from shear force in the surrounding fluid"?

Thanks in advance

Scientists have already observed self-replication in nonliving systems. According to new research led by Philip Marcus of the University of California, Berkeley, and reported in Physical Review Letters in August, vortices in turbulent fluids spontaneously replicate themselves by drawing energy from shear in the surrounding fluid. And in a paper appearing online this week in Proceedings of the National Academy of Sciences, Michael Brenner, a professor of applied mathematics and physics at Harvard, and his collaborators present theoretical models and simulations of microstructures that self-replicate.

-Quanta Magazine

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