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Author: John Milsom Publisher: Springer ISBN: 3319749595 Category : Science Languages : en Pages : 402
Book Description
The author of this history of mankind’s increasingly successful attempts to understand, to measure and to map the Earth’s gravity field (commonly known as ‘little g’ or just ‘g’) has been following in the footsteps of the pioneers, intermittently and with a variety of objectives, for more than fifty years. It is a story that begins with Galileo’s early experiments with pendulums and falling bodies, progresses through the conflicts between Hooke and Newton and culminates in the measurements that are now being made from aircraft and satellites. The spectacular increases in accuracy that have been achieved during this period provide the context, but the main focus is on the people, many of whom were notable eccentrics. Also covered are the reasons WHY these people thought their measurements would be useful, with emphasis in the later chapters on the place of ‘g’ in today’s applied geology, and on the ways in which it is providing new and spectacular visions of our planet. It is also, in part, a personal memoir that explores the parallels between the way fieldwork is being done now and the difficulties that accompanied its execution in the past. Selected topics in the mathematics of ‘g’ are discussed in a series of short Codas.
Author: John Milsom Publisher: Springer ISBN: 3319749595 Category : Science Languages : en Pages : 402
Book Description
The author of this history of mankind’s increasingly successful attempts to understand, to measure and to map the Earth’s gravity field (commonly known as ‘little g’ or just ‘g’) has been following in the footsteps of the pioneers, intermittently and with a variety of objectives, for more than fifty years. It is a story that begins with Galileo’s early experiments with pendulums and falling bodies, progresses through the conflicts between Hooke and Newton and culminates in the measurements that are now being made from aircraft and satellites. The spectacular increases in accuracy that have been achieved during this period provide the context, but the main focus is on the people, many of whom were notable eccentrics. Also covered are the reasons WHY these people thought their measurements would be useful, with emphasis in the later chapters on the place of ‘g’ in today’s applied geology, and on the ways in which it is providing new and spectacular visions of our planet. It is also, in part, a personal memoir that explores the parallels between the way fieldwork is being done now and the difficulties that accompanied its execution in the past. Selected topics in the mathematics of ‘g’ are discussed in a series of short Codas.
Author: Jennifer Boothroyd Publisher: Lerner Publications ™ ISBN: 1541504208 Category : Juvenile Nonfiction Languages : en Pages : 32
Book Description
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 BooksTM collection. With high-energy designs, exciting photos, and fun text, Lightning Bolt BooksTM bring nonfiction topics to life!
Author: Nick Cook Publisher: Crown ISBN: 0307419436 Category : Technology & Engineering Languages : en Pages : 305
Book Description
This riveting work of investigative reporting and history exposes classified government projects to build gravity-defying aircraft--which have an uncanny resemblance to flying saucers. The atomic bomb was not the only project to occupy government scientists in the 1940s. Antigravity technology, originally spearheaded by scientists in Nazi Germany, was another high priority, one that still may be in effect today. Now for the first time, a reporter with an unprecedented access to key sources in the intelligence and military communities reveals suppressed evidence that tells the story of a quest for a discovery that could prove as powerful as the A-bomb. The Hunt for Zero Point explores the scientific speculation that a "zero point" of gravity exists in the universe and can be replicated here on Earth. The pressure to be the first nation to harness gravity is immense, as it means having the ability to build military planes of unlimited speed and range, along with the most deadly weaponry the world has ever seen. The ideal shape for a gravity-defying vehicle happens to be a perfect disk, making antigravity tests a possible explanation for the numerous UFO sightings of the past 50 years. Chronicling the origins of antigravity research in the world's most advanced research facility, which was operated by the Third Reich during World War II, The Hunt for Zero Point traces U.S. involvement in the project, beginning with the recruitment of former Nazi scientists after the war. Drawn from interviews with those involved with the research and who visited labs in Europe and the United States, The Hunt for Zero Point journeys to the heart of the twentieth century's most puzzling unexplained phenomena.
Author: Laura Sullivan Publisher: Cavendish Square Publishing, LLC ISBN: 1502609088 Category : Juvenile Nonfiction Languages : en Pages : 34
Book Description
This book introduces readers to the science behind gravity, explaining the physics behind the phenomenon through graphs and activities. Easy-to-understand summaries following each chapter highlights the most important points for review.
Author: Lisa Hill Publisher: Capstone Classroom ISBN: 9781410932655 Category : Juvenile Nonfiction Languages : en Pages : 52
Book Description
A discussion of various measurements and examples of gravity, with illustrations, charts, graphs, and a timeline, covering the discoveries of thinkers such as Isaac Newton and Galileo Galilei and various terms and concepts associated with the subject.
Author: Nick Hunter Publisher: Capstone ISBN: 1410992578 Category : Juvenile Nonfiction Languages : en Pages : 50
Book Description
Who first discovered static and why was this important? What is an LED? Using natural-voice audio and highlighting text, this fascinating book looks at the historical controversies that surround the discovery and theories of electricity and tells the stories of the scientists who worked on them.Ê It also examines how the different theories based on electricity were arrived at, how they were tested, and what impact these theories and discoveries have had on our understanding of science today.
Author: Evalyn Gates Publisher: W. W. Norton & Company ISBN: 9780393071337 Category : Science Languages : en Pages : 320
Book Description
“Splendidly satisfying reading, designed for a nonspecialist audience.”—Kirkus Reviews, starred review Evalyn Gates, a talented astrophysicist, transports readers to the edge of contemporary science to explore the revolutionary tool—”Einstein’s telescope”—that is unlocking the secrets of the Universe. Einstein’s telescope, or gravitational lensing, is so-called for the way gravity causes space to distort and allow massive objects to act like “lenses,” amplifying and distorting the images of objects behind them. By allowing for the detection of mass where no light is found, scientists can map out the distribution of dark matter and come a step closer to teasing out the effects of dark energy on the Universe—which may forever upend long-held notions about where the Universe came from and where it is going.
Author: Don Herweck Publisher: Teacher Created Materials ISBN: 1480750883 Category : Juvenile Nonfiction Languages : en Pages : 32
Book Description
This high-interest informational text will help students gain science content knowledge while building their literacy skills and nonfiction reading comprehension. This appropriately leveled nonfiction science reader features hands-on, simple science experiments. Third grade students will learn all about gravity through this engaging text that is aligned to the Next Generation Science Standards and supports STEM education.
Author: John Milsom
Author: John Milsom
Author: Jennifer Boothroyd
Author: Nick Cook
Author: Laura Sullivan
Author: Lisa Hill
Author: Piper Whelan
Author: Nick Hunter
Author: Evalyn Gates
Author: Don Herweck
Author: Michele Caputo