A comprehensive study of the field of kinetic art which, although practiced by many notable artists, has remained relatively hidden from a large audience because of its under-representation in art museums and publications. Force Fields examines the entire history of the art form, covering works from the 1920's through the 1980's. Featured artists include Marcel Duchamp, Lazslo Moholy-Nagy, Alexander Calder, Lucio Fontana, Yves Klein, Piero Manzoni, Jean Tinguely, Henri Michaux, James Whitney, Takis, Fran ois Morellet, Jesus Rafael Soto, Pol Bury, Sergio Camargo, Sol LeWitt, Gego, Helio Oticia, Mira Schendel, Lygia Clark, Robert Smithson, Gordon Matta-Clark, Agnes Denes, Hans Haacke, Medalla, Dieter Roth, Len Lye, Liliane Lijn, Julio le Parc, Li Yuan-Chia, Dom Sylvester Houedard, Leandre Crist/fol and John Latham, among others.