About the cover

January 2016 Volume 12 No 1

A study of a composite soft-matter nanomechanical system consisting of a rotating ring of optically trapped colloidal particles confining a set of untrapped colloids demonstrates the possibility of gearwheel-like torque transmission on the nanoscale.

Article p98

IMAGE: IAN WILLIAMS AND ERDAL C. OGUZ

COVER DESIGN: ALLEN BEATTIE