TABLE OF CONTENTS ready to land 4 brilliant ideas 8 lights in the night 12 creating the modern world 20 a bright future 26 Light Bulb Timeline 28 Glossary 30 to learn more 31 Index 32
READY TO LAND An airplane circles a large city From the windows the passengers see the lights of tall buildings Far below cars speed down city streets It is almost time to land 4
Lights illuminate the dimly lit cabin and passengers begin to gather their things Seatbelt lights flash on above their heads The passengers prepare for landing 5
