Since electricity was invented, it has been incorporated into nearly every aspect of human life. Every building is lit up like a Christmas tree by electric lights, and the technological gadgets that our society adores are all enabled by electricity. Even those gadgets run by batteries are a better deal if they can be re-charged with electricity. These are just two examples amongst a plethora of electric applications, which is why it should come as no surprise that electromagnets, which are magnets that only work when they have an electric current running through them, are popular. However, the electricity free magnets, known as permanent magnets, are equally as popular because they are a less expensive investment and Continue reading →