In Physics, Electromagnetism is one of the fundamental forces of the universe. We see it all around us — when we’re flicking the light switches on, when the fri

In Physics, Electromagnetism is one of the fundamental forces of the universe. We see it all around us — when we’re flicking the light switches on, when the fridge door we had just closed shuts tight because of the magnets keeping it in place, or when the CDs we use help us to store data.