First how things work encyclopedia.

Description

Contents TECHNOLOGY Inventions Better by design Early inventions Modern technology Technology all around us HARD AT WORK Simple machines Using levers On the work site Moving stuff GETTING AROUND Getting around Wheels and axles Pedal power Holding the road Crank it up Engines of fire Race cars Up to speed Powering up Trains and tracks GASES AND LIQUIDS Gases and liquids How fluids work Float that boat Floating balloons Roller coaster How do planes fly? Blast off! WHAT IS ENERGY? What is energy? It’s electric! The power of magnets Power plants Fossil fuels Renewable energy What’s cooking? Keeping cool Energy efficiency LIGHT AND SOUND Light and sound Now you see it… Light and bubbles Mirror, Mirror Lenses How light works Fireworks Measuring sound How ears hear Electric guitar DIGITAL WORLD Chips and codes Inside a computer Binary code Sharing data Cell phones Digital photography Radio and TV Bar codes The Internet Search engines Robots CUTTIING-EDGE TECHNOLOGY The future Anytime soon? REFERENCE SECTION True or false? Quiz What am I? Where in the world? Glossary Index Picture credits