This is a favorite topic of First Year Students, when they
realize for the first time that the fabled Cloak of Invisibility
is REAL! Well, as real as it needs to be. Remember, magic is in
the mind of the beholder.
The beholder sees the Wizard don a brightly
colored cloak and suddenly he becomes invisible before their
wondering eyes. Conversely: The curtain opens on an empty stage.
Suddenly the Witch or Wizard appears, having just thrown off a
brightly colored cloak of invisibility. The solution to both
effects is in this article. What does the rose pictured above
have to do with anything? You'll just have to read the article to