Watching paint dry
Abstract
NEWS & VIEWS Some very recent neutron diffraction studies MATERIAL WITNESS (E. E. Rodriguez, Th. Proffen, A. Llobet, J. J. Rhyne & J. F. Mitchell, manuscript in preparation) lend additional support for this new model. Using combined Rietveld and pair distribution function analyses, the neutron work extracts the most detailed “As a picture ages, and the paint dries out map to date of the atomic positions in La Ca MnO . — it takes about fifty years — it cracks 0.5 0.5...