Magnets have always been fun, particularly since the super-powerful neodymium type became readily available. You can stack them up, pull them apart, or, if you really want, use them for something ...

Download the Magnetic Copper PDF (384 Kb). Adobe Acrobat is required. SAFETY: Neodymium magnets are surprisingly powerful when they snap towards metal or another magnet. Mind your fingers and don ...

NdFeB magnets are the most powerful and valuable type. They are used in motors for ... The multiple US neodymium-magnet projects are noteworthy but even collectively they won’t make a noticeable ...