Muna 1896, Henri Becquerel akawana kuti munyu weuranium waiburitsa mwaranzi dzaiita senge X-rays musimba ravo rekupinda. Akaratidza kuti mwaranzi iyi, kusiyana ne phosphorescence, yaisaenderana nekunze sosi yesimba asi yaiita kunge inomuka zvoga kubva kuuranium pachayo. Akafurirwa neaya maviri akakosha zvakawanikwa, Curie akafunga kutarisa mumwaranzi yeuranium senzvimbo ingangoita yekutsvagisa thesis. Akashandisa nzira nyowani yekuongorora masampuli. Makore gumi nemashanu apfuura, murume wake nemukoma wake vakagadzira vhezheni ye electrometer, inonzwisisika yekuyera magetsi.
basa remakemikari euranium raingoenderana chete neuwandu hweuranium iripo