∴ 0=1 -air pressure  | 2013

glass, air pressure, vacuum
φ200 (mm)

This glass work is made by the difference in atmosphere pressure. By using glass, I create the visualization of unnoticeable air pressure. In the glass blowing, the heated glass will blown up with little air like a balloon, because of the expansion of the air with the heat. The heated air is sealed in the glass ball and it becomes the vacuum state when the glass ball is cooled down. As the glass ball is in this state, I reheated the portion of the surface of the glass ball, the heated portion is melted and pulled into the center of the ball because of the difference in atmosphere pressure between the ball inside and outside. I saved the shape of air pressure within the bobbles of glass ball. The shape of bobbles in the glass ball shows the existence of the atmosphere and its pressure.