05 Oct / 2014 A Sad, Sad World Without Magnets
A Sad, Sad World Without Magnets
You don’t usually see them or know that they’re working, but magnets power almost everything you use in your regular life. These essential tools are pretty simple at their core. They are objects that attract certain metals, including nickel, iron, and cobalt, and they have at least one north and south pole. In fact, magnetism is considered one of the four fundamental forces in nature, along with strong and weak atomic forces and gravity. Magnets are incredibly important.