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Physicists call the study of solids solid state physics. This includes semiconductors and superconductivity. Solid state physics is a type of condensed matter physics.
Materials science is primarily concerned with properties of solids such as strength and phase transformations. It overlaps strongly with solid state physics. Solid state chemistry overlaps both of these fields, but is especially concerned with the synthesis of novel materials.See also: gasFor other meanings see gas (disambiguation). A gas is one of the phases of matter. Gases are, like liquids, fluids: they have the ability to flow and do not resist deformation. Unlike liquids, however, unconstrained gases do not occupy a fixed volume, but, liquidOne of the four phases of matter, a liquid is a fluid whose volume is fixed under conditions of constant temperature and pressure; and, whose shape is usually determined by the container it fills. Furthermore, liquids exert pressure on the sides of a cont, plasmaFor the fluid portion of blood, see blood plasma; also, other uses. There is debate as to whether plasma is an individual state of matter or simply a type of gas. In physics and chemistry, plasma (also called an ionised gas is an energetic gas-phase state
In geometryGeometry is the branch of mathematics dealing with spatial relationships. From experience, or possibly intuitively, people characterize space by certain fundamental qualities, which are termed axioms in geometry. Such axioms are insusceptible to proof, bu, a solid is a three-dimensional figure. See solid geometryIn mathematics, solid geometry was the traditional name for the geometry of three-dimensional Euclidean space — for practical purposes the kind of space we live in. It was studied as a sequel to plane geometry. Stereometry deals with the measurements of v.