Topological insulators are strange stuff – the bulk of this material is insulating and cannot carry an electrical current, yet the surfaces of the same material are conducting. This means that charged ...

The rubber around this wire is an insulator. Some materials do not allow electricity to pass through them. These materials are known as electrical insulators. Make a list of all of the objects ...

A topological insulator is an insulating material that allows electric charge to flow along its boundary in spin-polarized channels that are topologically protected from impurity scattering. The ...