A mysterious force -- Ideas about electricity -- The quest for knowledge -- Collecting electric charge -- Using charges -- A flow of charge -- Electricity from chemicals -- Circuits and conductors -- Resisting electricity -- Measuring and quantifying -- Magnetism from electricity -- Electromagnets -- Electromagnets at work -- Discoveries using electricity -- Electricity from magnetism -- Magneto-electric machines -- Making things move -- Manipulating electricity -- Early electricity supplies -- The power station -- Electricity in the home -- Electrical appliances -- Electricity and medicine -- Heat, pressure, and light -- Investigating cathode rays -- Communicating with electricity -- Talking with electricity -- Communicating without wires -- Television and the future -- Did you know? -- Life without electricity.