The Spinning Magnet Audiobook By Alanna Mitchell cover art

The Spinning Magnet

The Electromagnetic Force that Created the Modern World - and Could Destroy It

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The Spinning Magnet

By: Alanna Mitchell
Narrated by: P.J. Ochlan
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About this listen

An engrossing history of the science of one of the four fundamental physical forces in the universe, electromagnetism, right up to the latest indications that the poles are soon to reverse and destroy the world's power grids and electronic communications

A cataclysmic planetary phenomenon is gathering force deep within the Earth. The magnetic North Pole will eventually trade places with the South Pole. Satellite evidence suggests to some scientists that the move has already begun, but most still think it won't happen for many decades. All agree that it has happened many times before and will happen again. But this time it will be different. It will be a very bad day for modern civilization.

Award-winning science journalist Alanna Mitchell tells in The Spinning Magnet the fascinating history of one of the four fundamental physical forces in the universe, electromagnetism. From investigations into magnetism in 13th-century feudal France and the realization 600 years later in the Victorian era that electricity and magnetism were essentially the same, to the discovery that Earth was itself a magnet, spinning in space with two poles and that those poles aperiodically reverse, this is a utterly engrossing narrative history of ideas and science that listeners of Stephen Greenblatt and Sam Kean will love.

The recent finding that Earth's magnetic force field is decaying 10 times faster than previously thought, portending an imminent pole reversal, ultimately gives this story a spine-tingling urgency. When the poles switch, a process that takes many years, Earth is unprotected from solar radiation storms that would, among other things, wipe out all electromagnetic technology. No satellites, no Internet, no smartphones - maybe no power grid at all. Such potentially cataclysmic solar storms are not unusual. The last one occurred in 2012, and we avoided returning to the Dark Ages only because the part of the sun that erupted happened to be facing away from Earth. One leading US researcher is already drawing maps of the parts of the planet that would likely become uninhabitable.

©2018 Alanna Mitchell (P)2018 Penguin Audio
Geology History Physics Polar Region Black Hole

Critic reviews

"The Earth's magnetic field -- an invisible cloak that shields our bodies and our technologies from deadly harm -- tends to be taken for granted. In reality it's a fickle, ill-understood phenomenon. Alanna Mitchell delves into the mystery, in an engrossing book that features a new surprise on every page." (Sean Carroll, author of The Big Picture: On the Origins of Life, Meaning, and the Universe Itself)

"In The Spinning Magnet, Alanna Mitchell weaves a scientific mystery in the best possible way, exploring the ancient puzzle of our planet's electromagnetic field, following scientists as they attempt to decipher its clues, leading us to a better understanding of Earth's invisible and powerful electromagnetic field. The result is a compelling tale of unseen and unforeseen natural forces - and a reminder that we've staked our home on a planet that remains infinitely strange, dangerous - and ever full of wonder." (Deborah Blum, author of The Poisoner's Handbook: Murder and the Birth of Forensic Medicine in Jazz Age New York)

"A fascinating untold story of science that is full of mystery and intrigue, and written with a great deal of style." (Mark Miodownik, New York Times best-selling author of Stuff Matters; winner of the Royal Society’s Winton Prize)

What listeners say about The Spinning Magnet

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quite interesting take on our modern electronics world 🌎 and how we are influenced by the Suns 🌞 energy

quite interesting take on our modern electronics world 🌎 and how we are influenced by the Suns 🌞 energy

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Learned quite a bit, narrated nicely...

Information on the EMF field existing in nature and the bodies that be that delved into it's treasury of geographic history. Worth listening to thrice.

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Great read. Makes a complex field comprehensible.

Reall enjoyed listening to this book. I wish there were more like it on Audible. If you're not a physicist or an expert in electromagnets but are generally interested in the field or just plain old enjoy science, this is a great book.

I only wish there was a companion PDF to download as many of the initial descriptions of how the physics work would be better absorbed with illustrations to accompany the descriptions.

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A lot of physics for non-physicists.

I surprised myself by actually finishing the book. To my surprise, the last three chapters were the most interesting and enjoyable.

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Attractive presentation technical aspects arcane subject

throughly enjoyable, enjoyable presentation of wide expanse of particulars of not only things geoogical, history of electromagnetism as well

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informative in an engaging way! 😎

Some terminology a little hard to grasp, but the pace and explanations usually pulled me through to a facinating perception of our World...our lil' Blue Marble in Space! 😉

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A great book about our magnetic earth

Enlightenment history and science at its best, and full of fun scholarship about my favorite invisible force: Magnetism!

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Earth poles switching

Excellent narration. Very detailed historical events and probability predictions of the planets inner and outer core. Easy to understand and comprehend.

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Pleasantly Surprised

This book is great. I’m so glad I got it. People who have given it negative reviews must not have understood what the author was going for. Basically, I would describe this as a brief history of the science of electromagnetism, followed by a detailed examination of why electromagnetism is an existential issue for the planet’s survival. Both sections are interesting if you have a scientific mind.

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Important topic, not what I was looking for

We need more pop sci books on magnetism. An elementary student informed me that we don't know how magnetism works. That's huge. This book is worth reading because your options are limited. We need a scientist to tackle the topic though. As a scientist, I felt that the author wasn't able to hone in on the fascinating scientific questions and got lost in historical details. I was left thinking, terra cotta, WTF? Magnetosomes-glossed over. I want details of how the experiments were done. What IS natural terra cotta, because I've only seen it in ceramics class?! Tantalizing ideas not fleshed out. I found myself googling, okay what did the Mayans know? What is lodestone? I need a better foundation on the basics of how the magnetic force works on the atomic & molecular level. Next I need details of how early experiments were done, like how EXACTLY were these needles on silk thread magnetized, and what exactly do I need to do with wax on paper to replicate stuff for curious young minds? Finally, I want to hear modern physicists "weigh in" on current thinking. What is the relationship, if any, of magnetism to gravity? How did magnetism originate? (Google says magnetite was probably struck by lightning). The obvious origin questions, like "Are there magnetic meteors?" don't come up, presumably because the author approaches the topic like a journalist, and she can only talk to so many scientists. There's good info here, but it will leave you with more questions than answers.

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12 people found this helpful