?? English instruction:
With a partner, each take position in front of one of the dishes and speak into
them. How must your heads be
positioned in order for you to be able to understand each other well?
• Have you ever looked into a shaving mirror?
• Position your head so as to face the middle of the dish.
• Move back slowly.
• Where do you hear your partner especially well?
The dome of the old Hall of Representatives in the Capitol in Washington D.C.
supposedly made secret conversations difficult. Apparently, it was constructed
to make any conversation clearly audible on the other side of the room.