Properties of vibrations in a pillar in a 1400-year-old Sicilian cathedral correlate with those of very small, nearby earthquakes, suggesting new ways of monitoring the gradual damage that such quakes can inflict on old buildings.
Phys. Rev. Focus26, 18 (2010) – Published October 29, 2010
Atoms in graphite under high pressure appear to form a simple structure made of interconnected, four-atom rings, according to new computer simulations that were compared with previous experimental data.