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"It would be hard to imagine a better guide to this difficult subject." -- Scientific American
In Three Roads to Quantum Gravity, Lee Smolin provides an accessible overview of the attempts to build a final "theory of everything." He explains in simple terms what scientists are talking about when they say the world is made from exotic entities such as loops, strings, and black holes and tells the fascinating stories behind these discoveries: the...
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"Physicists will tell you that four forces control the universe. Of these, gravity may the most obvious, but it is also the most mysterious. Newton managed to predict the force of gravity but couldn't explain how it worked at a distance. Einstein picked up on the simple premise that gravity and acceleration are interchangeable to devise his mind-bending general relativity, showing how matter warps space and time. Not only did this explain how gravity...
4) Gravity
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What keeps objects from floating out of your hand? What if your feet drifted away from the ground? What stops everything from floating into space? Gravity. Author Jason Chin takes this complex subject and makes it brilliantly accessible to young listeners in this innovative book. His expansive but simple narrative does justice to the subject at hand, looking at the concept of gravity in a whole new way. From the redwoods to the oceans to a small island,...
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Traces how the human image of the world has changed throughout history, demonstrating the evolution of the idea of reality while touching on subjects ranging from the Higgs boson to quantum gravity.
"A closer look at the mind-bending nature of the universe. What are the elementary ingredients of the world? Do time and space exist? And what exactly is reality? Theoretical physicist Carlo Rovelli has spent his life exploring these questions. He tells...
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A ball drops to the ground. Leaves fall from a tree. Gravity is at work all around you. But what exactly is gravity? And how does it affect different objects? Read this book to find out! Learn all about matter, energy, and forces in the Exploring Physical Science series part of the Lightning Bolt Books collection. With high-energy designs, exciting photos, and fun text, Lightning Bolt Books bring nonfiction topics to life!
7) Gravity
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Accelerated Reader
IL: MG - BL: 8.2 - AR Pts: 1
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English
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Gravity is everywhere. It is the force that keeps the earth orbiting around the sun. Yet, it has always been one of the most mysterious forces throughout human history. This book explores some of the scientists responsible for what we know about gravity and how this knowledge has impacted modern society.
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"This groundbreaking study demonstrates how the prevalent problems of obesity, ailing health, and lack of energy can all be easily improved simply by using the power of gravity. The survey is based on the author's research into how weightlessness weakens astronauts' muscles, bones, and overall well-being, suggesting ways to incorporate gravity into everyday life and illustrating how it can increase fitness as well as prevent aging. Addressing those...
10) GRAVITY
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Accelerated Reader
IL: LG - BL: 2.9 - AR Pts: 1
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English
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"Simple text and full-color photography introduce beginning readers to gravity. Developed by literacy experts for students in kindergarten through third grade"--
12) What is gravity?
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This stimulating and accessible volume offers readers a fascinating view of a force known as gravity. Readers examine many scientific concepts, including Newton's laws of gravity, mass and gravitational forces, galaxies, satellites, Earth's solar system, centrifugal force, tides, and erosion. Vocabulary boxes provide additional guidance to readers, and the "Compare and Contrast" and "Think About It" sidebars give students opportunities to ponder concepts...
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From the anthracite mines of Pennsylvania at Carbondale to the Hudson River in New York near Kingston, the Delaware & Hudson Canal Company and the Gravity Railroad transformed long tracks of wilderness into thriving economic areas. Conceived as an inexpensive way to transport anthracite coal, the canal began hauling loads in 1828 to the Hudson River, where barges to New York City took over. A leader in the technologies of the time, the canal company...
14) Gravity
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Accelerated Reader
IL: LG - BL: 3.8 - AR Pts: 1
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English
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"Simple text and full color photographs introduce beginning readers to gravity. Developed by literacy experts for students in kindergarten through third grade"--Provided by publisher.
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"We've long understood black holes to be the points at which the universe as we know it comes to an end. Often billions of times more massive than the Sun, they lurk in the inner sanctum of almost every galaxy of stars in the universe. They're mysterious chasms so destructive and unforgiving that not even light can escape their deadly wrath. Recent research, however, has led to a cascade of new discoveries that have revealed an entirely different...
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Accelerated Reader
IL: LG - BL: 1.5 - AR Pts: 1
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English
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"The earth is round, so why don't some people hang upside down? The answer is gravity! Young readers can explore the concept of gravity with vibrant, full-color photos, clear text, and critical thinking questions"--
17) What is gravity?
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Accelerated Reader
IL: MG - BL: 5.4 - AR Pts: 1
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English
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"Introduces readers to the science behind that question, explaining the physics behind the phenomenon through graphs and activities. Easy-to-understand summaries following each chapter highlights the most important points for review."--
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"Losing your strength, balance, and stamina is not a natural part of aging. So why do so many of us gradually become disabled and lose our independence as we grow older? The chief culprit is prolonged, uninterupped sitting caused by office work, long commutes, and modern sedentary living. The human body is designed to move, not stay still for hours at a time. Designed to move presents a simple, easy-to-follow, science-based movement program to help...
19) Discover gravity
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"What would happen if gravity didn't exist? People and objects would float into space! With this basic introduction to gravity, young readers will discover how gravity works and how it affects everything in our world and beyond"--
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An account of the century of experimentation that confirmed Einstein's theory of relativity, bringing to life the science and scientists at the origins of relativity, the development of radio telescopes, the discovery of black holes and quasars, and the still unresolved place of gravity in quantum theory. Albert Einstein did nothing of note on May 29, 1919, yet that is when he became immortal. On that day, astronomer Arthur Eddington and his team...