Scientific American, Volum 235Munn & Company, 1976 |
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Side 206
... structure ; this one is termed the Alexander horned sphere . Although it is equivalent to the simply connected sur- face of a ball , it bounds a region that is not simply connected . A loop of elastic cord circling the base of a horn ...
... structure ; this one is termed the Alexander horned sphere . Although it is equivalent to the simply connected sur- face of a ball , it bounds a region that is not simply connected . A loop of elastic cord circling the base of a horn ...
Side 59
... structure , but at- tempts to make a complete and quanti- tative theory of it have encountered dif- ficulties . The placement of the quarks at the ends of the string is rather arbitrary . This raises no serious problems in the case of ...
... structure , but at- tempts to make a complete and quanti- tative theory of it have encountered dif- ficulties . The placement of the quarks at the ends of the string is rather arbitrary . This raises no serious problems in the case of ...
Side 91
... structure at the base of the brain . This structure was described by the 16th - century Italian anatomist Constan- zo Varolio , who was the first to dissect the brain from below . He thought the great transverse fiber bundle overlying ...
... structure at the base of the brain . This structure was described by the 16th - century Italian anatomist Constan- zo Varolio , who was the first to dissect the brain from below . He thought the great transverse fiber bundle overlying ...
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