Duchamp's Shovel: Art as Concept

More free lessons at: http://www.khanacademy.org/video?v=MRv20I13vqM Duchamp's Shovel: Art as Concept Marcel Duchamp, In Advance of a Broken Arm, 1964 (fourth version, after lost original of November 1915) (MoMA) A conversation with Sal Khan & Steven Zucker