In this situation they act as a magnet - but only whilst in the magnetic field. This is called induced ... are invisible but they fill the space around a magnet where the magnetic forces work ...

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 ...

The colloids are paramagnetic, so they only behave magnetically when they are near a magnet or an external magnetic field. Calculated changes of the magnetic field create areas on the chessboard ...

The other magnetic field going around the length of the doughnut is referred to as ... fusion power can fusion become a commercially viable energy source. Twisting the magnets can also produce the ...

“It’s a love story, baby just say ‘yes’ ” to celebrating the MagLab’s “Science Eras” at the National High Magnetic ... s strongest magnet or go on a scavenger hunt around the ...

Magnetic fields lines are invisible but they fill the space around a magnet where ... they can attract or repel other magnets. Although we cannot see magnetic field lines, we can detect them ...