Uncertain practice is a type of activity aimed at conducting experiments without any given goal or a specific question. What are such experiments for? The world around us breathes with confidence of clarity. Chains of events tend to be interpreted through established meanings and cause-and-effect relationships. Step by step, intelligent and educated people help us to flow into the stream of the new time, where everything is as clear as possible. And what happens if you question any of the basic truths? Could it be that the water is not wet, and the fire does not burn? Try to find out for yourself. — Ping-pong balls, large and small resin particles, brass rods 10cm, metal wire, lens, paper masks, Laserjet print on transparent film. 2018.