Pfupisa nyaya yacho:  (CNN) Wakamborwadziwa nomusoro zvikuru zvokuti wakanzwa uchida kuchera buri mumusoro mako kuti urwadze hudzoke here? Munguva yeNeolithic trepanation - kana kuti kuboora buri muuropi - yaifungidzirwa kuva mushonga wechinhu chiri chose kubva pachirwere chetsandanyama kusvika kumusoro musoro. Zvingadaro zvaiva zvokuvhiyiwa pakarepo nokuda kwokurwiswa muhondo. Asi nepo kuchine fungidziro pamusoro pezvikonzero chaizvo zviri seri kwokuvhiya uku kusinganzwisisiki, chinozivikanwa ndechokuti chishandiso chaishandiswa kazhinji kazhinji kuita kuvhiya kwokutanga chakanga chakagadzirwa nechimwe chezvinhu zvinopinza zvikuru chinowanikwa mune zvakasikwa - obsidian. Obsidian - rudzi rwegirazi remakomo anoputika - rinogona kubudisa micheto yakaisvonaka zvikuru kupfuura kunyange mapanga esimbi akanakisisa. Pa30 angstroms - chiyero chakaenzana nechimwe chezvikamu zvine mamiriyoni zana zvesendimita - banga reobsidian rinogona kuenzana nedhaimondi pakunaka kwemupendero waro. Apo unorangarira kuti mazhinji emakwenzi okucheka ndebvu ari 300-600 angstroms, obsidian ichiri kukwanisa kuicheka nezvinhu zvinopinza zvikuru izvo nano-tekinoroji inogona kubudisa. Kunyange nhasi, vanachiremba vashomanana vanovhiya vachiri kushandisa nzira yekare yokucheka-cheka zviduku zvavanoti zvinopora pasina kukuvara. Dr. Lee Green, purofesa uye sachigaro weDhipatimendi reMishonga Yemhuri paUniversity of Alberta, anoti anoshandisa mapanga eobsidian nguva dzose. "Kunaka kukuru kweobsidian ndekwokuti ndiyo pfundo rakapinza zvikuru pane ose aripo, inokonzera kukuvadzwa kuduku zvikuru kumasero, inoporesa nokukurumidza zvikuru uye inokosha zvikuru inoporesa nokukuvara kuduku", iye akadaro. "Zvinoguma zvaita kuti munhu aite zvakanaka". Akatsanangura kuti zvipikiri zvesimbi zvine pfundo risina kutsarukana rinobvarura nhengo dzomuviri, basa remakristasi anoumba simbi yacho. Obsidian, panguva imwe cheteyo, inopatsanuka kuva mucheto wakaisvonaka uye unopfuurira apo inochekwa zvakanaka. Dr. Green akati akambobetsera vagadziri vemafirimu kugadzira purogiramu pamusoro petekinoroji yokuvhiya muEgipita yekare, achigadzira muedzo wokupofumadza pamusoro pesimba rokucheka reobsidian. Achishandisa ganda rakasvibiswa, chinhu chinoumbwa nemasero eganda, akacheka nechipfuramabwe chemazuva ano uye...
Obsidian inogona kubudisa micheto yakaisvonaka zvikuru kupfuura kunyange mapanga esimbi akanakisisa. Vamwe vanachiremba vanovhiya vachiri kushandisa mashizha pakuvhiya nhasi.