The Impossible Motion Contraption

Every year, The New Sci­en­tist spon­sors an illu­sion con­test, and, above, we have the win­ner of the 2010 edi­tion: A con­trap­tion cre­at­ed by Kou­kichi Sug­i­hara (Mei­ji Insti­tute for Advanced Study of Math­e­mat­i­cal Sci­ences, Japan) that appears to defy grav­i­ty, allow­ing wood­en balls to roll up slopes. But, in actu­al fact “the ori­en­ta­tions of the slopes are per­ceived oppo­site­ly, and hence the descend­ing motion is mis­in­ter­pret­ed as ascend­ing motion.” You can now make sub­mis­sions to the 2011 edi­tion.

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Open Culture was founded by Dan Colman.