Ebook North Pole South Pole The Epic Quest to Solve the Great Mystery of Earth&rsquos Magnetism Audible Audio Edition Gillian Turner Cat Gould Tantor Audio Books
Download As PDF : North Pole South Pole The Epic Quest to Solve the Great Mystery of Earth&rsquos Magnetism Audible Audio Edition Gillian Turner Cat Gould Tantor Audio Books
"This "fantastic story" of one of physics' great riddles takes us through centuries of scientific history (Simon Lamb, author of Devil in the Mountain).
Why do compass needles point north - but not quite north? What guides the migration of birds, whales, and fish across the world's oceans? How is Earth able to sustain life under an onslaught of solar wind and cosmic radiation? For centuries, the world's great scientists have grappled with these questions, all rooted in the same phenomenon Earth's magnetism.
Over 2000 years after the invention of the compass, Einstein called the source of Earth's magnetic field one of greatest unsolved mysteries of physics. Here, for the first time, is the complete history of the quest to understand the planet's attractive pull-from the ancient Greeks' fascination with lodestone to the geological discovery that the North Pole has not always been in the North-and to the astonishing modern conclusions that finally revealed the true source. Skillfully told, North Pole, South Pole unfolds the human story behind the science that of the inquisitive, persevering, and often dissenting thinkers who unlocked the secrets at our planet's core.
Ebook North Pole South Pole The Epic Quest to Solve the Great Mystery of Earth&rsquos Magnetism Audible Audio Edition Gillian Turner Cat Gould Tantor Audio Books
"Very well interpreted on the periodical inversion of poles in the earth history. Computer simulation is the solution to understand it"
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North Pole South Pole The Epic Quest to Solve the Great Mystery of Earth&rsquos Magnetism Audible Audio Edition Gillian Turner Cat Gould Tantor Audio Books Reviews :
North Pole South Pole The Epic Quest to Solve the Great Mystery of Earth&rsquos Magnetism Audible Audio Edition Gillian Turner Cat Gould Tantor Audio Books Reviews
- I really enjoyed this book. I am a retired physicist having taught for thirty years. I wish I had had the resources of knowing the personal details of all the principals in this story. An impressive job of research and an even better job of telling the story. And the mysteries continue. Why has the sun forsaken its eleven year cycle, and when will the earth burden us with its next field reversal? The book tells us that reversals take around ten thousand years to complete. During that time, we expect that cosmic rays will cause untold genetic disruption. Nevertheless the book itself is a welcome addition to the conversation. Well done.
- This rather exhaustive review of the study of planetary magnetism is scholarly and worth reading. It contains just over 20% tables definitions and cast of characters lists, that are largely unneeded. The author does a more than adequate job of describing and introducing all elements within the text. For me it is just fluff used to plump up the book to a more respectable size. The author's passion for the subject is very apparent but is in some ways given less impact than a different editor may have been able to draw out. The subject is interesting, the science still somewhat incomplete, the scientists involved are complicated characters in their own rights.
I paid full retail for this book and feel well compensated for my toils to earn the opportunity to read it. I have and will recommend this book to many curious friends and acquaintances. - This book follows a historical timeline to explain how the current view of the source of Earth's magnetic field came about. I really enjoyed the first half of the book for weaving together the contributions of so many big names in science, and how they made contributions to this field and others. The initial problem statement of needing to explain the Earth's magnetic field comes from explorers seeing the effects of declination, and their measurements varying with time was a very interesting perspective. I also had a very fundamental curiosity about why compass needles need to be balanced for the Northern vs Southern hemispheres, and what mechanics were involved in generating the flip of the polarity of Earth's magnetic field. Both of these questions were answered in the book.
If the book has any fault, I think that that the final chapters felt a bit rushed, and that we would benefit from some further explanation, especially as the scientists get to computer modelling in the early 1990's. In general, I thought the book was very entertaining, engaging and informative. I'm off to order another copy for my Dad for Father's Day. - The subject is timely, given the recent acceleration of the magnetic declination. Dr. Turner presents the history of geomagnetic research clearly and succinctly. She has an accessible style and defines terminology without getting lost in jargon.
The downside seems to be that the answers to the questions regarding Earth's magnetic field have yet to yield to scientific scrutiny. We have good theories, but no firm answers yet.
This is a thoroughly enjoyable book. - Avery interesting story about the mystery and puzzles of magnetism and electricity and how people eventually figured them out.
- North Pole South Pole The Epic Quest to Solve the Great Mystery of Earth's Magnetism is a very well researched and written historical account. Ramifications of the research are clearly presented and the reader is lead by eager expectation of what will be presented next. Anecdotes of researchers lives lighten the reading and difficult mathematical concepts are presented in a casual manner without equations so that readers can easily go and look up the detailed maths involved if they are so inspired. The book leads into the subject of plate tectonics which itself is a whole other story. As a creationist, this reviewer is dissapointed that it does not discuss free decay models of the earths magnetic field and that it assumes that radio-isotopic dating ramifications on the field of the earth are not questionable, however, it will be exceptionally valuable to any creationist wishing to study the subject. Anyone studying physics or geology should read this book to help them convey their studies to a wider audience in a captivating manner.
- Very well interpreted on the periodical inversion of poles in the earth history. Computer simulation is the solution to understand it
- Excellent book about the topic that people don't know
