Fingers and shadows
Mirror tricks in a square room of mirrors: if we put a finger between four mirrors, all perpendicular to the same plane (the table where the room is laid), the points that represent the tips of all the "virtual" fingers are on the same plane (a plane that is parallel to that of the table).
© Sabrina Provenzi
foto di Sabrina Provenzi
The image belongs to the sections...:
Objects (From the exhibitions of matematita)
Symmetry (From the exhibitions of matematita)