The Secrets of Magnets

Welcome to my first “Science Answers” post! About a month ago, I sent out a post requesting science questions from all of you; you can find it here. This post addresses the first of the questions I was asked. If you have a question, you can ask it in the comments here or on that post, or ask it in an email. Or find me on Facebook!

And by the way…I do apologize for getting this post out so late. But here you are.

Q: What is magnetism? And what’s the difference between electromagnetism and the “magnetism” found in minerals? (asked by Simon)

So…let’s start with something most of us are familiar with.

fridge magnets.jpg

Can I just say, I’ve never seen a fridge with so many magnets?

Usually, the magnets in our lives serve practical purposes. In your typical household, these fridge magnets would be used to hold up notes, photos, recipes, etc. that you’d want to display in your kitchen.

(Of course, magnet collecting is a perfectly reasonable hobby, if the sheer variety on this fridge is any indication.)

Magnets are something we take for granted. But they are even more a part of our lives than we realize. Continue reading