The particles in solids are arranged in a regular way ... This means that solids expand when they are heated. When substances are heated and expand, their particles do not get any bigger.

Solids are divided into two main categories, crystalline solids and amorphous solids, based on how the particles are arranged ... because applying heat will break all the bonds at the same ...

Pomeranchuk effect in magic angle graphene, revealing an exotic transition between two phases. Credit: Weizmann Institute of Science When most solids are heated, they melt into liquids. This behaviour ...

Scientists have developed liquid-metal particles that can be used for heat-free soldering and other ... to stop liquid metal from returning to a solid -- even below the metal's melting point.