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 ...

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 ...

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

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

Abstract: Theoretical values of the magnetic field intensity outside a permanent magnet usually ... analytical approximation for practical problems involving cylindrical bar magnets. Measurements are ...

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 ...

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A magnetic field is the effect we can see from the movement of charges or the spin of electrons. The fields themselves can be static or changing. A field diagram can be used to show the interactions ...