Everything we can see and touch, and quite a lot that we can’t as well, is made of tiny particles called atoms. Some substances, like particles of this iron, contain only one kind of atom. Iron is an ...

This video shows how different substances have different bulk properties and Dr Mark Miodownik talks to Professor Andre Geim at the University of Manchester about his work on graphene. Carbon atoms ...

The film discusses the classification of matter into homogeneous and heterogeneous types, focusing on elements, compounds, and mixtures. It explains the properties of two elements, iron and sulfur, ...