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Smithsonian Magazine on MSNMathematicians Solve Decades-Old Geometry Problem About Spinning a Needle That Had Long Puzzled the FieldMathematicians have finally solved a geometry problem that has puzzled the field for decades. The question was proposed by ...
Because math is so cumulative in nature ... Try it yourself. Experience a problem with basic facts. Active working memory is the ability to remember what you're doing while you are doing it ...
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