Physicists at NASA and Princeton generate electricity from the Earth's rotation: could wind energy be our energy source of ...

Here are a few competency-focused practice questions students should go through, as they provide a sense of the types and difficulty levels expected in the upcoming exams.

Forbes contributors publish independent expert analyses and insights. David Bressan is a geologist who covers curiosities about Earth. Nov 28, 2025, 07:59am EST Map of the strength of the Earth's ...

Here’s what you’ll learn when you read this story: The Earth’s magnetosphere protects life from deadly space radiation, but many aspects of its function remain a mystery. Scientists have long believed ...

When New Times called Stephin Merritt of the Magnetic Fields in late August, he apologized for his respiratory distress. He sounded a little congested, but his dulcifer baritone voice was unaffected ...

A major dip in the Earth’s magnetic field over the South Atlantic has been puzzling scientists for over a century. An international team of researchers analyzed data collected by the European Space ...

The weak spot in Earth’s magnetic field, a region over the South Atlantic where the field’s strength is significantly reduced compared to its surrounding area, has grown by an area nearly the size of ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Using 11 years of magnetic field measurements from the ...

Satellite data reveal that a weak region in Earth's magnetic field has grown by an area roughly half the size of continental Europe in the last 10 years. When you purchase through links on our site, ...

A weak spot in the Earth's magnetic field is growing over the South Atlantic Ocean, according to more than a decade's worth of satellite data collected by scientists. The magnetic field surrounding ...

Abstract: This paper addresses the conductor eccentricity error inherent in circular array Hall-effect current sensors through a novel magnetic field compensation ...