Magnetism has many uses in the modern world. So manyin fact that it is virtually impossible to cover them all, but the mainapplications do stick out. Magnets are used in instruments for navigation,electronics, energy, and health. The earliest use of magnets to effect so many peoplewas probably the magnetic compass. The magnetic compass has a needle suspendedon a pin; one end of the needle is magnetically charged. As a result thisend always points to …showed first 75 words of 375 total…

…showed last 75 words of 375 total…