This means that their magnetism is there all the time and cannot be turned on or off as it can with an electromagnet. Converting a magnet to a non-magnet is called demagnetisation. Magnets are ...

Chorus waves are mysterious, chirping signals produced by spiraling plasma inside our planet's magnetic field. But a new ...

Peculiar bursts of energy called chorus waves have been detected in deep space far from our planet, suggesting they could ...

If you need help visualizing magnetic fields, these slow-motion video captures ... for a person used to a bar magnet. We should advise you before you watch the video below the break, if you ...

In mid-December of 2024, scientists officially updated the World Magnetic Model (WMM), which helps keep track of our planet’s ...

Eerie bird sounds are coming from space – and astronomers finally understand why - Energy waves behind the chirping sound ...

Because Earth's magnetic field is slightly asymmetrical and more complex than that of a regular bar magnet, the magnetic south pole — the point in the Southern Hemisphere where the magnetic ...

How a Generator Works When an electric current flows through a wire, it generates a three-dimensional magnetic force field around the wire, similar to that surrounding a bar magnet. Magnets are ...

Hold the poster board at a slight angle, and then move a paper clip on top of the poster board by holding a bar magnet ... What's Happening Magnets are surrounded by a magnetic field, which ...