Our papers are the official record of our discoveries. They allow others to build on and apply our work. Each paper is the result of many months of research, so we make a special effort to make them clear, beautiful and inspirational, and publish them in leading journals.

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  • Simple heuristic for the viscosity of polydisperse hard spheres

    Sphere packing

    RFR. Farr Journal of Chemical Physics

    Viscosity of polydisperse spheres

    A fast and simple way to measure how polydisperse spheres crowd around each other, termed the packing fraction, agrees well with rheological data.

  • Random close packing fractions of lognormal distributions of hard spheres

    Sphere packing

    RFR. Farr Powder Technology

    Random close packing fractions

    Lognormal distributions (and mixtures of same) are a useful model for the size distribution in emulsions and sediments.

  • Shear elastic deformation and particle packing in plant cell dispersions

    Ignoble research

    PLVCSSRFR. Farr Food Biophysics

    Shear elastic deformation in cells

    Analysis of the linear elastic behaviour of plant cell dispersions improves our understanding of how to stabilise and texturise food products.

  • Estimate for the fractal dimension of the Apollonian gasket in d dimensions

    Sphere packing

    RFR. FarrEG Physical Review E

    Ever-shrinking spheres

    Techniques from random sphere packing predict the dimension of the Apollonian gasket, a fractal made up of non-overlapping hyperspheres.