Volume expansion takes placein liquids and gases. It depends in the change in temperature, fundamental volume, and the kind of substance. When something alters temperature, it increases or decreases ...

The change in temperature of a body causes expansion or contraction of that body. Most of the substances expand on heating and contract on cooling. This is called thermal expansion. It has been ...

The distances between particles are smallest in the solid, they are larger in the liquid and larger again in the gas. The particles in gases and liquids move more freely than in solids, so their ...

Company Allvar working with NASA on NTE space telescope optics; other applications are possible. A new material that shrinks when it is heated and expands when it is cooled could help enable the ultra ...