You will learn about "Magnetism" in this video. "Introduction to Magnets". A magnet is an object or device that produces a magnetic field. It attracts objects made of nickel, iron and cobalt. A magnet has 2 poles, the North Pole and the South Pole. Opposite poles of 2 magnets always attract each other, i.e. the North pole of one magnet and the south pole of another magnet will always attract each other. Like poles of two magnets always repel each other. Two North Poles of magnets can never get