The exhibition and catalogue both titled L’Œil moteur: art optique et cinetique, 1950-1975 are part of a happy and timely current event resurrecting the challenges of an international art movement which some people had perhaps wrongly regarded as overlooked by art history. The retrospective show devoted to Denise Rene in 2001 at the Pompidou Centre acted as the keystone. Then last year the Vasarely Foundation in Aix-en-Provence offered the public one or two dizzy moments of optical and acoust...