Wood T.A., Lintuvuori J. S., Schofield A. B., Marenduzzo D. and Poon W. C. K. Science, 334, 79, 2011.
When colloidal particles are dispersed in a nematic liquid crystal medium the composite exhibits very interesting behaviour. At volume fractions above 20% it becomes very stiff and, together with rheological data, simulations indicate that a colloidal gel is held together by defect lines percolating through the sample. These composites could find applications in sensor technologies.