From levers to lasers, from cameras to computers, this volume is a remarkable overview of the machines and inventions that shape our lives, amusingly presented with a large dose of Macaulay's wit and personality. Full-color illustrations.
This charming reference book answers questions kids ask every day, taking a closer look at the things that surround them and how they work—from cars to vacuum cleaners, storms to seasons, animal bodies to humans. More than 100 colorful photos are paired with age-appropriate text featuring answers to questions like "How do chameleons change color?" "How do refrigerators stay cold?" "How do tor…
Looks at men and women whose discoveries and achievements have changed the world-- Charts, diagrams and archival photographs provide detailed historical facts.
Green energy is the wave of the future, but its here right now. New technologies are making green energy a much more viable alternative to nonrenewable sources than ever before. Through this informative book, budding environmentalists will find out about solar energy, wind and water energy, geothermal energy and biofuels, and where the future of green energy lies