A solid and a liquid

Gallium is perhaps best known as a metal that is a solid when you pick it up and melts when...

Water is the only common substance that is naturally found as a solid, liquid or gas. Solids, liquids and gases...

From titanium implants to new superconducting alloys to useful metal compounds, we are increasingly dependent on metals. Without metals, modern...

Gallium is perhaps best known as a metal that is a solid when you pick it up and melts when...