| http://www.w3.org/ns/prov#value | - He introduced his readers to riddles, paradoxes, enigmas and even magic tricks, as well as concepts such as fractals and Chinese tangram puzzles, redefining the concept of recreational mathematics".Gardner also became known as a sceptic of the paranormal, and wrote works debunking public figures such as the psychic Uri Geller, who gained fame for claiming to bend spoons with his mind.
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