Ngokuqhelekileyo kwenzeka ukuba iziphumo ezihlukeneyo ekuboneni kokuqala zibonakala ngathi zisilele. Kodwa kwiingcamango zesibini umphumo unokuba nexabiso elongezelelweyo. Inkcazo eyintandokazi yososayensi waseDutch (kunye nophumelele iBhaso leNobel) I-pitch ye-wax ye-Andel: 'Ukhangela inaliti kwi-haystack kodwa ugqibela ngentombi entle yamafama!Abahlali banxiba i-wrist transmitter ethumela isaziso kwigcisa lezempilo xa bengena ngomnyango ongalunganga..