Two objects? Ta Tu

about the interaction of atmosphere with a void, a contracted space, an invisible force causing the rubber to become a hemisphere. The pressures that act against each other, a balance that has been tilted or interaction between invisible forces. What progressed from there was the use of the valve, I flipped the space to an expanded one, and as a vessel used a bottle with holes cut in it, and bubbles would be formed using a condom, but the condom is used as subject it is stripped of context, used only because it was the right part for the job. “Artifacts of Manhattan”, an old medicine bottle from the riverbank, the glass was discolored by time spent in the silt of the river.