Heisenberg: Listen! Copenhagen is an atom. Margrethe is its nucleus. About right, the scale? Ten thousand to one?
Bohr: Yes, yes.
Heisenberg: Now, Bohr’s an electron….I’m a photon. A quantum of light. (68-9)
This exchange connects the characters in the play to a hypothetical situation involving the core components in particle theory. The second method Frayn uses is staging which often reinforces what the dialogue depicts:
The staging of the play reinforces the scientific ideas. In the Broadway and London productions, the stage was round and bare, and the actors' motions around it called to mind the electrons, protons, and neutrons moving in an atom. Some of the audience sat in a tribunal at the back of the stage, watching and "judging" the action in start marble stalls. They were in turn watched by the rest of the audience -- the observers observed. (Lustig and Shepherd – Barr 553)
The staging uses the language and makes it clearer to the audience by providing a different perspective. The audience members in the marble stalls also exemplify Complimentarity because they