Placing a magnet on your refrigerator might hold up your calendar, but researchers have now found that placing one outside a plasma chamber causes a localized, fireball-like structure. This work may ...
Cutting a bar magnet in half won't get rid of its poles. It'll just produce two magnets, each with a north pole that will be attracted to the other magnet's south pole, and vice versa. It's this ...
The magnetic field lines of a bar magnet can be viewed by using compasses or by shaking iron filings onto a platform above the magnet. Place the magnet on top of the paper in view of the document ...