Solids, liquids and gases. In a solid like this brick, the particles are regularly arranged touching their neighbours and move only by vibrating. This explains why solids have a fixed shape. In a ...

From the pots and pans on the stove to the wires suspending bridges, metal composites need to account for a variety of strength, malleability, and durability to meet human need. Now, researchers from ...

Imagine cushions that lift up instead of sinking when you sit on them. Impossible? Not according to a blueprint for new materials with “negative compressibility”: the materials compress when ...

Almost everything is made of particles. Particles can be atoms, molecules or ions. Particles behave differently in solids, liquids and gases. The particle model explains the differences between solids ...