Magnetic forces exist in the world around us, although most of us don’t really give them much thought. The fact of the matter is, however, if it weren’t for the magnetic forces that exist on a worldwide scale, our survival would be extremely limited. Those magnetic forces help the earth in so many different ways that it is difficult to list them but one way you will appreciate is that it keeps the cosmic rays from bombarding the earth and putting an end to life. The interesting thing about magnets is that the forces do not only exist on a [More]