Scientists and engineers at the University of Nottingham have measured the stiffness of space rock for the first time. Many meteorites are made of crystalline materials, formed under exotic conditions ...

When bonding two pieces of metal, either the metals must melt a bit where they meet or some molten metal must be introduced between the pieces. A solid bond then forms when the metal solidifies again.

(Phys.org)—A new study of the batteries commonly used in hybrid and electric-only cars has revealed an unexpected factor that could limit the performance of batteries currently on the road. (Phys.org) ...