contents

Title Page

Copyright

Dedication

PREFACE

Playing with the Universe

PART I

magnet

CHAPTER 1

The Beginnings of Things

CHAPTER 2

The Unpaired Spinning Electron

CHAPTER 3

Parking in the Shadow of Magnetism’s Forgotten Man

CHAPTER 4

Into Whose Embrace Iron Leaps

CHAPTER 5

Revolutions on Paper

CHAPTER 6

The Earth’s Magnetic Soul

CHAPTER 7

Voyage into the Underworld

CHAPTER 8

The Greatest Scientific Undertaking the World Had Ever Seen

CHAPTER 9

The Rock That Turned the World Upside Down

PART II

current

CHAPTER 10

Experiment in Copenhagen

CHAPTER 11

A Very Intimate Relationship

CHAPTER 12

Jars Full of Lightning

CHAPTER 13

The Apothecary’s Son

CHAPTER 14

The Bookbinder’s Apprentice

CHAPTER 15

Magnets Making Currents

CHAPTER 16

The Lines That Fill the Air

PART III

core

CHAPTER 17

The Contorting Gyre

CHAPTER 18

Shocks Inside the Earth

CHAPTER 19

Pharaohs, Fairies, and a Tar-Paper Shack

CHAPTER 20

Zebra Skins Under the Sea

CHAPTER 21

At the Outer Edge of the Dynamo

CHAPTER 22

Anomaly to the South

CHAPTER 23

The Worst Physics Movie Ever

CHAPTER 24

The Great Hazardous Spinning Sphere of Sodium

PART IV

switch

CHAPTER 25

Looking Up

CHAPTER 26

Horrors the Lights Foretold

CHAPTER 27

Lethal Patches

CHAPTER 28

The Cost of Catastrophe

CHAPTER 29

Trout Noses and Pigeon Beaks

CHAPTER 30

A Suit of Stiff Black Crayon

Notes

Selected Bibliography

Acknowledgments

Index

About the Author