| http://www.w3.org/ns/prov#value | - Fifty years ago, designers created models with 20 to 30 steps.???People have really discovered properties of the paper and possibilities of the paper that were literally deemed impossible,??? Gould said.Origami can be a fun way to explain geometry and other mathematical concepts, said Michael Vass of Rogers, Ark., who home schools his 7-year-old daughter, Hannah.???It???s all geometry,??? he said.
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