Don't Flip Out: Earth's Magnetic Poles Aren't About to Switch by Thomas Sumner | Free Audiobook

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Title: Don't Flip Out: Earth's Magnetic Poles Aren't About to Switch
Author: Thomas Sumner
Narrator: Mark Moran
Format: Unabridged
Length: 3 mins
Language: English
Release date: 12-02-15
Publisher: Science News
Genres: Science & Technology, Magazine & Radio

Summary:
Earth is not heading toward a doomsday reversal of its magnetic field, new research assures. The planets magnetic field is about 10 percent wimpier today than when physicists began keeping tabs on it in the 1800s. In the geologic past, such weakening preceded geomagnetic reversals - swaps of the north and south magnetic poles. Such reversals temporarily make the planet more vulnerable to charged particles blasted off the sun that can disrupt power grids and disable satellites. But thats not whats happening now, a new study suggests.

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