** Isingeniso:** Emhlabeni wanamuhla, sizungezwe ama-electromagnetic frequency (EMF) ekhishwe kumadivayisi ahlukahlukene we-elekthronikhi. Ngenkathi lawa maza engabonakali, angaba nezingozi zempilo ezingaba khona uma evezwa kuzo isikhathi eside. Yilapho izingubo zokuvikela i-EMF zingena khona, zinikeza ukuvikelwa kule misebe eyingozi ye-EMF. Kulesi sihloko, sizohlola lokhu