KiDS NATIONAL GEOGRAPHIC HOW THINGS WORK DISCOVER SECRETS AND SCIENCE BEHIND BOUNCE HOUSES HOVERCRAFT ROBOTICS AND EVERYTHING IN BETWEEN T J RESLER NATIONAL GEOGRAPHIC WASHINGTON D
WHAT'S INSIDE chapter 1 BEAM ME UP 8 Sweet Rides Hoverbikes and Hoverboards 10 chapter 2 HOME IS WHERE THE FRIDGE IS 44 King of Cool Refrigerators 46 chapter 3 SCHOOL OF COOL 80 Smartest Kid in the Class Interactive Displays 82 Something's Fishy Aquariums 52 Sticky Situation Glue 88 Snack Zapper Microwaves 58 Tales From the Lab An Idea That Stuck The Invention of Post it Notes 92 World at Your Fingertips Tablets 16 Tales From the Lab A Faster Frankfurter The Invention of the Microwave 66 Copycat Photocopiers 94 Tales From the Lab Secret Signals Advances in Wireless Communication 22 Neatnik Robot Vacuums 66 Double Duty Thermoses 100 Now You See Me Invisibility Cloaks 24 Profile Helen Greiner 70 Strike Up the Band Musical Instruments 104 Body Builders Bionic Arms and Legs 30 Eww Gross A You Know What It Begins With T 72 Profile David Moinina Sengeh 34 Profile Nicolás Cola Gómez and Favio Chávez 110 Caught in the Tractor Tractor Beams 36 Try This Water Wonders Find Out Which Filter Works Best 78 Do Over Erasers 112 Try This Vanishing Act Make a Cloaking Device With Mirrors 42 Try This Music Masters Make a Thingamajig That Plays 118
chapter 4 chapter 5 back matter EXTREME FUN 120 HERE TO THERE 156 EVEN MORE 196 On a Roll Roller Coasters 122 Pedal Power Bicycles 158 Glossary 196 Find Out More 200 Tales From the Lab Upping the Thrill Factor Roller Coaster Innovations 128 Tales From the Lab Getting Rolling The Evolution of the Bicycle 164 Index 202 Credits 206 Back on Track Hang Ten Surfing 130 Trains 166 Acknowledgments 208 Fakester Simulators 136 Keeping Step Escalators 172 Profile Edwin Link 142 Deep Diver Submarines 176 Jumping for Joy Bounce Houses 144 What a Blast Rockets 182 Don't Look Down Tightrope Walking 150 Profile Elon Musk 186 Try This Marble Madness Design a Looping Roller Coaster 154 Hitting the Road Hybrid Cars 188 Try This Blow the Ballast Make a Submarine Dive and Surface 194
