The question of what protons or neutrons are made up of has an apparently simple answer: quarks and gluons. However, when it comes to atoms’ third component, electrons, the answer is not as easy.

How semiconductors work is a function of what they're made of. Many semiconductors are based on silicon, with atoms of other elements (such as phosphorus or boron, which are themselves ...

Show Me What You're Made Of is back for a sixth series on CBBC. Follow Ellie, Alice, Faith, Joe and Sam as they travel across the world with presenter Stacey Dooley, to live and work alongside the ...