A loop of 16mm film or VHS tape goes through 2 players in order to experience the opposite sides, the past and the future creating a dialogue in the present. 

360 digits of Pi was put on each frame of film, made into a loop and played into each other, the opposite sides of the circle overlapping.

Patricia Morejon was asked to be present.  This was made into a loop and plays onto each other, the past and future overlapping.