Harry Potter got there First...
...but it appears that an invisibility cloak might not be too far in the future!
Sir John Pendry published an article in yesterday's edition of Science, describing his team's research. Just as a pencil placed in a streambed only causes the water to flow smoothly around it, he says, an object ensheathed in special "metamaterials" could cause light to flow smoothly, hiding whatever it is from view.
Science or magic? I'd say, "Yes".