Different energy sources used to make electricity ... the middle has a circle of magnets around its edge. When this spins, electricity flows through the coils of copper wire that surround it.

WHAT YOU NEED: stationery to make a small ... The moving magnetic field from the spinning magnets induces a current in the coil of wire. You have made your own electricity generator!

A rare-earth barium copper oxide (REBCO) is now being used by an Oxfordshire-based company for its superconducting properties ...