Rangarira ndima iri pasi apa uye ipapo pindura mubvunzo gare gare mumutauro mumwe chetewo sechikamu:  Passage: Uku kurondedzerwa kweplanetarium kana kuti orrery. Pappus weAlexandria akataura kuti Archimedes akanga anyora manyoro (zvino akarasika) pamusoro pokuvakwa kweidzi nzira dzakanzi On Sphere-Making. Kutsvakurudza kwemazuva ano munharaunda iyi kwakanangidzirwa panzira yeAntikythera, chimwe chinhu chakavakwa munenge muna 100 BC icho chingangodaro chakagadzirirwa chinangwa chimwe chetecho. Kugadzira michina yorudzi urwu kwaizodai kwaida ruzivo rwakadzama rwokusiyanisa magiya. Izvi zvaimbofungidzirwa kuti zvakanga zvisingagoni kuitwa neruzivo rwokugadzira zvinhu rwaivapo munguva dzekare, asi kuwanikwa kwomuchina weAntikythera muna 1902 kwakatsigira kuti zvinhu zvorudzi urwu zvaizivikanwa nevaGiriki vekare.  Mubvunzo: Chishandiso chekare chakawanikwa rini?
Muna 1902