What we observe is not nature itself but nature exposed to our method of questioning. Our scientific work in physics consists in asking questions about nature in the language that we possess and trying to get an answer from experiment by the means that are at our disposal.
Bio: Marcel Duchamp was a French artist who became an American citizen in 1955. His work and ideas had considerable influence on the development of post-World War Two Western art. He was the first artist creating 'ready-made' in modern art.