When you are home, get (or borrow) a refrigerator magnet, and use it to pick up a single metal paper clip.

When you are home, get (or borrow) a refrigerator magnet, and use it to pick up a single metal paper clip. Now bring the paper clip which is attached to the magnet close to a second paper clip. You will notice that you can pick up the second paper clip with the first one. The reason this happens is

• Paper clips are made of metal and all metals stick to magnets.