Overview
Why do compass needles point northābut not quite north? What guides the migration of birds, whales, and fish across the worldās oceans? How is Earth able to sustain life under an onslaught of solar wind and cosmic radiation? For centuries, the worldās great scientists have grappled with these questions, all rooted in the same phenomenonāEarthās magnetism.
Over 2,000 years after the invention of the compass, Einstein called the source of Earthās magnetic field one of greatest unsolved mysteries of physics. Here, for the first time, is the complete history of the quest to understand Earthās magnetismāfrom the ancient Greeksā fascination with lodestone, to the geological discovery that the North Pole has not always been in the Northāand to the astonishing modern conclusions that finally revealed the true source.
Richly illustrated and 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 planetās core.
This book title, North Pole, South Pole (The Epic Quest to Solve the Great Mystery of Earth's Magnetism), ISBN: 9781615190317, by Gillian Turner, published by The Experiment (January 11, 2011) is available in paperback. Our minimum order quantity is 25 copies. All standard bulk book orders ship FREE in the continental USA and delivered in 4-10 business days.
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