Tarisa ndima iri pasi apa uye wozopindura mubvunzo unotevera mumutauro mumwe chete sezvinoita ndima yacho: Passage: Brachytherapy yakatanga muna 1901 (chinguva chiduku mushure mekuwanikwa kwe radioactivity naHenri Becquerel muna 1896) apo Pierre Curie akakurudzira Henri-Alexandre Danlos kuti chitubu che radioactive chinogona kuiswa mukati memuviri. Mubvunzo: Ndiani akawana radioactivity?
Henri Becquerel