How sand columns deform. (IMAGE) Tokyo Metropolitan University Caption (a) Deformation of sand columns under different loads. (b) Distribution of number of local connections between sticky grains in columns under different loads. (c) Proportion of newly formed (red) and broken (blue) bonds between sticky grains. Credit Tokyo Metropolitan University Usage Restrictions Credit must be given to the creator. License CC BY Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.