Have you ever wondered how powerful magnets and magnetic fields can be? There are various types of magnets; permanent magnets (like fridge magnets), temporary magnets (magnetized paperclips), and electromagnets (speakers). I'm sure you have played with one, or all three. But I bet you never realized how precisely you could magnetize something to the point that you could control it remotely. A magnet is the result of particles in an object which are arranged in a north/south orientation and emit a magnetic field. What the scientists have done...