image: Electron microscope images of the particles used in the study: (A) limestone calcium carbonate; (B) hydrophobic calcium carbonate (Socal U1S1); (C) cocoa solids; (D) clean glass; (E) hydrophobic glass; (F) hematite; (G) PVC (Vinnolit SA1062/7); (H) fumed silica. This image relates to an article that appeared in the Feb. 18, 2011, issue of Science, published by AAAS. The study, by Dr. Erin Koos and Dr. Norbert Willenbacher at Karlsruhe Institute of Technology in Karlsruhe, Germany, was titled, "Capillary Forces in Suspension Rheology." view more
Credit: [Image © <i>Science</i>/AAAS]