Demonstration of magnetic fields. Ace Photo Agency/Newscom. Find it at Newscom.com: pttmedical009603
Until I took physics in college, most of what I knew about magnetism centered around how well refrigerator magnets would stick to the door of my fridge. There were strong ones, and weak ones, and ones that had pictures of superman on them. And that is as far as it went. Which is kind of a shame because there are so many cool things about magnetism that I had no idea of. Continue reading →