NATIONAL GEOGRAPHIC KIDS HOW THINGS WORK DISCOVER SECRETS AND SCIENCE BEHIND TRICK CANDLES 3 D PRINTERS PENGUIN PROPULSION AND EVERYTHING IN BETWEEN T J RESLER NATIONAL GEOGRAPHIC WASHINGTON D.C.
LOOK YOU NEED TO KNOW THREE THINGS ABOUT THIS BOOK
ONE It's for kids who aren't afraid to think You know the type the ones who always have questions The kids who stop to watch how a crane hoists a beam to the top of a new building the ones who want to tear open a cool gadget and figure out what its parts do the ones who can watch a fish swish swish swish through the water for hours They're the kids who want to know how something works and why They want answers today not tomorrow not when you get older If you're one of those thinkers read on If not maybe you'd like to go watch some paint dry Which might just spark the question How does paint actually dry YOU LL FIND INSPIRATION AND EXPLANATIONS HERE THREE This book tells secrets Think you can handle that It reveals why trick candles light back up how bridges can span crazy distances with nothing under them and how some cars can zoom around without drivers It uncovers how scientists borrow secrets from nature to make their inventions better It exposes the truth behind some of the coolest things we have Many were accidental discoveries Yeah this book tells you that kind of stuff the inside scoop This book is infectious You'll read about inventors scientists engi neers and architects who dreamed big and didn't stop not when they were told to quit daydreaming not when they were told something was impossible not even when they failed Their stories are contagious They'll feed your inner dreamer You might find yourself imagining ways to strap on personal jet packs to zoom over traffic or swim under water with penguins or invent sculptures that suck the pollution out of the air Crazy That's what those other inventors were told If you want to dream on if you want to feed your brain take a look inside You'll find inspiration and explanations here You'll meet real life inventors design ers and scientists who work to make things better whether it's robots the environment or squirt guns You'll read Tales From the Lab the stories behind how things were invented like microscopes that fold into your pocket or shelters that you make out of shipping pallets And you'll definitely get answers You'll learn all about how things work and why You'll see the inner workings of cool gizmos and gadgets like 3 D printers cameras and micro scopes without having to crack open your own You'll learn how scientists are using nature's secrets to stop infections create more energy and make super strong adhesives You'll satisfy your curiosity about weird and wacky inventions and you'll find out why skyscrapers are getting taller and tunnels get ting longer You'll relax with the knowledge that a lot of inventions like the machine that swipes a credit card or the voice inside a smartphone work to make life easier If you need a quick answer about how something works you'll find it on the Just the Facts page If you want to dive in deeper check out the Tell Me More section Get inspired and find out what you can do We'll get you started with Try This challenges that let you become a scientist engineer or architect Then dream on Create invent and explore You're a thinker after all