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The remarkable deformability of wood in a moist environment resembles that of ductile metals. A combination of traditional mechanical tests and cutting-edge diffraction experiments reveal the molecular mechanism that determines such behaviour.
Photonic crystal microcavities have been less able to trap light than their microsphere and microdisk counterparts. A new design concept shows how to stop the leaks.
Many atomic diffusion processes occur at rates that are too fast to observe experimentally. Using video scanning tunnelling microscopy, researchers are now able to observe the individual steps involved in correlated transport of atomic strings on metal surfaces.
A single-molecule anion made of 132 molybdenum atoms forms a spherical oxide cage that can bind several cations. Different cations have distinct binding modes and produce a wide range of architectures within the cage.