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 ...
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 ...
Peculiar bursts of energy called chorus waves have been detected in deep space far from our planet, suggesting they could ...
Chorus waves are mysterious, chirping signals produced by spiraling plasma inside our planet's magnetic field. But a new ...
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 ...
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 ...
The findings have significant implications for studying space weather and the relationship between the Sun and the Earth's ...
They are usually detected in areas of space where Earth’s magnetic field resembles that of a giant bar magnet (a dipole), out to around 51,000 km above Earth’s surface, beyond geostationary ...