Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Passage: Wannan shi ne bayanin wani planetarium ko orrery. Pappus na Alexandria ya bayyana cewa Archimedes ya rubuta rubutun (yanzu ya ɓace) a kan gina waɗannan hanyoyin da ake kira On Sphere-Making. Bincike na zamani a wannan yanki ya mai da hankali kan tsarin Antikythera, wani na'urar da aka gina c. 100 BC wanda wataƙila an tsara shi don wannan dalili. Gina irin wannan tsari zai buƙaci ƙwarewar ilimin bambancin bambancin. An taba tunanin cewa wannan ya wuce iyakar fasahar da ake da ita a zamanin da, amma gano na'urar Antikythera a 1902 ya tabbatar da cewa na'urori irin wannan an san su ga tsoffin Helenawa.  Tambaya: Wace wata hanyar da aka gina don yin zagaye?
Ƙasar Antikythera