Direct Imaging of Contacts and Forces in Colloidal Gels

Jun Dong, 2, 3 Francesco Turci, 2 Robert L. Jack, 5 Malcolm A. Faers, and C. Patrick Royall 7, 2, 1 H.H. Wills Physics Laboratory, Tyndall Ave., Bristol, BS8 1TL, UK Centre for Nanoscience and Quantum Information, Tyndall Avenue, Bristol BS8 1FD, UK Bayer AG, Alfred Nobel Str. 50, 40789 Monheim, Germany Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom Department of Applied Mathematics and Theoretical Physics, University of Cambridge, Wilberforce Road, Cambridge CB3 0WA, United Kingdom Gulliver UMR CNRS 7083, ESPCI Paris, Université PSL, 75005 Paris, France. School of Chemistry, Cantock’s Close, University of Bristol, BS8 1TS, UK