One of the greatest toys ever invented, the Rubik’s Cube celebrates its 30th anniversary in 2010. With more than 300 million cubes sold worldwide, it is still one of the most popular puzzles in the world. The Hungarian professor and architect Ernő …

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Cildo Meireles is a well-known Brazilian artist, associated with the art movement “Neo-concrete art”. He was recently given a full retrospective by the Tate Modern Museum in London, which I had the opportunity to see in December 2008. Meireles’ intriguing and …

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