Climate Compass on MSN
Why Earth's core changes may be affecting the planet's magnetic field
Deep beneath our feet, something extraordinary is happening. Scientists have discovered that changes in Earth's core are ...
Morning Overview on MSN
A new method could pull power from Earth’s magnetic field
For more than a century, engineers have chased new ways to turn the planet’s natural motions into usable power, from tides to ...
A magnetometer is a device that measures magnetism: the direction, strength, or relative change of a magnetic field at a given location.
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