Describes the creation process of Piotr Kowalski's outdoor work 'Now', in Long Beach, CA, which was shaped by underwater explosions of dynamite against sheets of stainless steel. The process... Read allDescribes the creation process of Piotr Kowalski's outdoor work 'Now', in Long Beach, CA, which was shaped by underwater explosions of dynamite against sheets of stainless steel. The process is called explosion forming.Describes the creation process of Piotr Kowalski's outdoor work 'Now', in Long Beach, CA, which was shaped by underwater explosions of dynamite against sheets of stainless steel. The process is called explosion forming.