A method is described for the manufacture of pivoting colloidal assemblies comprising rotating diamond and rotating triangle geometries that show tunable folding and unfolding by thermal fluctuations and actuation by magnetic attractions.
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The International Council for the Exploration of the Sea (ICES), which gives scientific advice on sustainable fishing, said that in recent years, mackerel has been overfished due to a lack of international quota agreements. As a result there is not a high enough rate of breeding to replace the volume being caught.