Imagine not having to pay your electricity bills because a gigantic magnet surrounding the Earth produced power. Well, Earth indeed has a magnet like this, which is its magnetic field. When the fiery ...

In brief: A team of physicists believe it may be possible to harvest electricity using Earth's rotation through its own magnetic field, and they've published a paper involving a test that appears to ...

By removing rare earths from the equation, these designs promise cleaner supply chains and more sustainable production.