Its Magneto

In physics we learned that magnets are used in our life more than we know. Magnets are defined as objects that have an equal amount of north and south poles with aligned domains. The earth itself is a big bar magnet with a south and a north pole. Magnets are related to motors. Using the generator effect we learn the using magnets and copper coils can induce voltage to power things. LIke lets say a radio like i have pictured at the top. As you can see as i crank the radio i am moving the coils around the permanent magnet to an induce voltage to power the radio without the use of the battery. Wow i dont think i could live in a world without magnets!