Traces the development of space technology from primitive Mayan instruments to the X-ray telescopes of today.

Kids ask the darndest things . . . and here are the answers—all in one helpful book! Anyone who has ever been a kid, raised a kid, or spent any time with kids knows that asking questions is a critical part of being a kid. Kids have curious minds, and they come up with some very interesting questions. Why do dogs bark? Why is the sky blue? Why do people have to grow old? Questions like these are how kids find out about the world, and these questions deserve answers. But the truth is, adults don’t always know the answers. The Handy Answer Book for Kids (and Parents) comes to the rescue! Written with a child's imagination in mind, this easy-to-understand book is a launching pad for curious young minds and a life raft for parents at wits end. It addresses nearly 800 queries with enough depth and detail to both satisfy the curiosity of persistent young inquisitors and provide parents with a secure sense of a job well done. It'll equip every parent for those difficult, absurd, or sometimes funny questions from their kids, such as … Why do people speak different languages? Why do I cry? How can fish breathe underwater? Can people who die see and talk with living people after they are gone? Why do women in some countries wear veils? How did my life begin? How does a vacuum cleaner pick up dirt? How does my body know to wake up when morning comes? With numerous photos and illustrations, this tome is richly illustrated, and its helpful bibliography and extensive index add to its usefulness. A launching pad for inquisitive young minds and a life raft for parents who are at their wits’ end, The Handy Answer Book for Kids (and Parents) is a book that every parent needs, and every kid will covet!

The story of the United States military is the story of the country itself. Both have grown and changed over time. Learn about the unique histories, traditions, weapons, leaders, stats, and fun facts of the Army, Navy, Marine Corps, Coast Guard, Air Force, and Space Force, and their roles within the military in this fun and fascinating guide! From the few hundred soldiers in its ranks when it was first established, to the over one million service members today, the U.S. military has grown in power and size over its 250-year history. Its organization and branches have changed to adapt to new technologies and national needs. The Handy Armed Forces Answer Book: Your Guide to the Whats and Whys of the U.S. Military looks at each branch of the U.S. military. It answers more than 500 of the most intriguing questions, including … How is the U.S. military organized? How do the branches work together? When did the Army Air Corps become the U.S. Army Air Force? What is the selection process like for Special Forces? Who was the Continental Army’s first Commander in Chief? How does the military rank structure function? How does somebody become an Air Force officer? What was the “Brown Water Navy”? What is the motto of the Coast Guard? How many bases does the military have? What is the Marine Corps Hymn? Did any Coast Guard vessels serve in combat? What type of aircraft is Air Force One? Who said “Retreat? Hell! We just got here!” Who were the Buffalo Soldiers? What are the Blue Angels? What is the most challenging USAF plane to fly? What is the origin of the Coast Guard “racing stripe”? Does the Space Force have any operational bases? How did a mutiny help establish the United States Naval Academy? What is the longest-serving personal weapon used by the American soldier? What is the difference between a UAV and a drone? What attack submarines does the Navy deploy? Who defends the United States against cyberattacks and other digital threats? The Army, Navy, Air Force, Marines, Coast Guard, and Space Force are uniquely American, each in their own way. Learn what makes each branch special in The Handy Armed Forces Answer Book! With more than 140 photos and graphics, this fascinating to me is richly illustrated. Its helpful bibliography and extensive index add to its usefulness.

From the basic physics and history of astronomy to fascinating facts about planets and stars, and from space mission programs and heroic astronauts and cosmonauts to the greatest adventure of all: the search for life beyond Earth, The Handy Astronomy Answer Book includes information on virtually every topic related to outer space. Containing over 100 colour illustrations and photos, this book brings the wonders of our universe to life.

An informative, accessible, easy-to-use guide to physics, covering the fundamental concepts and amazing discoveries that govern our universe! We don’t need a U.S. Supreme Court ruling to know that everyone is governed by the laws of physics, but what are they? How do they affect us? Why do they matter? What did Newton mean when he said, "For every action there is an equal and opposite reaction?" What is gravity? What is Bernoulli’s Principle? Einstein’s Theory of Relativity? How do space, time, matter, and energy all interact? How do scientific laws, theories, and hypotheses differ? Physics can often seem difficult or complex, but it's actually beautiful and fun—and it doesn't need to be hard to understand. Revised for the first time in a decade, the completely updated third edition of The Handy Physics Answer Book makes physics and its impact on us, the world, and the universe entertaining and easy to grasp. It disposes with the dense jargon and overly-complicated explanations often associated with physics, and instead it takes an accessible, conceptual approach—never dumbing down the amazing science, yet all written in everyday English. The Handy Physics Answer Book tackles big issues and concepts, like motion, magnetism, sound, and light, and lots of smaller topics too—like, why don’t birds or squirrels on power lines get electrocuted?—and makes them enlightening and enjoyable for anyone who picks up this informative book. For everyone who has ever wondered about the sources of energy production in the United States, or how different kinds of light bulbs shine, or why wearing dark-colored clothes is warmer than light-colored ones, or even what happens when you fall into a black hole, The Handy Physics Answer Book examines more than 1,000 of the most frequently asked, most interesting, and most unusual questions about physics, including ... How can I be moving even while I’m sitting still? If the Sun suddenly disappeared, what would happen to the Sun’s gravity? What is the energy efficiency of the human body? Why do golf balls have dimples? How can ice help keep plants warm? What kinds of beaches are best for surfing? What do 2G, 3G, 4G, and 5G wireless networks mean? Why shouldn’t metal objects be placed in microwave ovens? Why does my voice sound different on a recording? Can a light beam be frozen in time? Why are soap bubbles sometimes so colorful? Why does a charged balloon stick to a wall? Is Earth a giant magnet? What are gamma rays? What happens when antimatter strikes matter? What is quantum teleportation? Are artificial intelligence systems able to think on their own? What happens when two black holes collide? How will the universe end? Useful and informative, The Handy Physics Answer Book also includes a glossary of commonly used terms to cut through the jargon, a helpful bibliography, and an extensive index. Ideal for students, curious readers of all ages, and anyone reckoning with the essential questions about the universe. This handy resource is an informative primer for applications in everyday life as well as the most significant scientific theories and discoveries of our time. And, we promise, no whiteboard needed.

From discovering why every map is distorted to why Rhode Island is called an island even though it?s not, this comprehensive reference simplifies geography in an approachable question-and-answer format. All aspects of the discipline are covered, including physical, economic, political, and cultural geography.