Ihe Ngwọta Kacha: Okpu Igwe Igwe Ederede Akwụkwọ: Guardian bụ okpu nchekwa e chepụtara maka ndị na-agba igwe igwe bụ́ ndị ntị chiri na ndị ogbi. Okpu a ji ọkwa mmetụ ahụ na ihe ngosi dị n'elu isi dochie ọkwa ndị a na-anụ n'ntị maka ịdọ aka ná ntị. Sensọ na igwefoto na-achọpụta ụgbọala ndị si n'azụ na-abịaru nso, mgbe ahụ okpu ahụ na-ama jijiji nwayọọ iji dọọ onye na-agba igwe aka ná ntị. Modul dayọd na-enye ìhè (LED) na-enwupụta iji gosi ụzọ a ga-esi tụgharịa. Mgbe ihe mberede mere, a na-akpọ oku mberede na-akpaghị aka, ma otu nkechi obere aka na-ezipụ ozi e debere na mbụ. E ji ihe dị mfe ibu bụ acrylonitrile butadiene styrene (ABS) mee shel okpu ahụ, na ihe ndozi memory foam n'ime ya, yana igodo eji emeru ya n'isi nke ọma otu ka o kwesịrị.
Aha oru ngo : Guardian, Aha ndị na-emepụta ya : Zhou Leijing, Aha onye ahịa : Zhejiang University.
Ihe ukwu a bu ihe nmeri nke mmeri ọla n’uche nchekwa na asọmpi nke ihe eji echebe onwe ya. Ga-ahụrịrị ngwa ngwa ndị na-emepụta ihe nzere ọla kọpa iji chọpụta ọtụtụ ihe ọhụrụ, ihe ọhụụ, uwe eji emepụta nchekwa na okike nchekwa nke aka ya.