Researchers propose a simple magnetic switch using altermagnets
Controlling magnetism in a device is not easy; unusually large magnetic fields or lots of electricity are needed, which are ...
BBC3y
Magnets and magnetic materials
It has an invisible magnetic field. Only certain materials, such as iron, feel a magnetic force. Permanent magnets can come in lots of different shapes and sizes. Bar magnets and horseshoe magnets ...
IEEE Spectrum on MSN7h
Experiment Generates Current from Earth's Magnetic Field
S cientists have found that it’s possible to generate electric power from Earth’s rotation through its own magnetic field ...
PBS3mon
The Challenge: Generate electricity
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 ...
Hosted on MSN10mon
The deadline for flipping Earth's magnetic poles has long passed. Here's how it is threatening life
Earth has a magnetic field which appears very similar to a bar magnet that has a north and ... 1990s to about 55 kilometres per year in the direction of Siberia. It is believed that the shifting ...