El primer libro de electro-magnetismo (Library Collection)What exactly is electricity? What does it have to do with magnets? What is magnetism? And most intriguing of all: what does it have to do with light? Today, electricity and magnetism are all around us. We use them to light our homes and streets, to cook, play video games, browse the internet, listen to musicpractically everythingand it's hard to find anything that doesn't rely on electricity and magnetism. Come and delve into the fascinating world of