13 APPLIED ELECTRICITY Conductors and insulators Electric current and batteries Physics in our world: Electric cars 271 The frontiers of physics: Electric dentists Simple electric circuits Resistor combinations Electrical energy and power emiconductors 14 ELECTROMAGNETISM The discovery of magnets The magnetic field Physics in our world: Magneto-optical drives Electric currents and magnetism moving charge in a magnetic field Particle accelerators Magnetism of the earth Physics in our world: Avian magnetic navigatio The source of magnetism Faradays law of induction Motors and generators Maxwells equations Physics in our world: Microwave ovens PART 6: WAVES 15 WAVE MOTION The nature of waves The principle perposition Resonance and chaos The frontiers of physics: Chaos in the brain 337 16 SOUND The speed of sound 343 Physics in our world: Telephone tones Intensity of sound waves37 /     /          1;5    1;5     1;A "C /% 152    ' #    153 $     #     156
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