Pws einai dynaton na ksexwrisoyme ayta ta dyo fasmata metaksy toys; Sygkekrimena, otan fwtisoyme me mia aktinobolia katanomhs melanos swmatos ena aerio (px lampthras atmwn natrioy), ayto aporrofa kyriws tis xarakthristikes gia to aerio syxnothtes kai leme oti exoyme to gnwsto fasma aporrofhshs me tis 2 asynexeies sthn "kitrinh" perioxh toy fasmatos. Taytoxrona exoyme kai to xarakthristiko fasma ekpomphs toy aerioy, me tis 2 fasmatikes grammes sthn "kitrinh" perioxh toy fasmatos. Ayto ofeiletai sto gegonos oti to aerio aporrofa ta fwtonia ths aktinobolias poy toy riksame kai ta epanekpempei. Pws einai loipon, dynaton na ksexwrisoyme ayta ta 2 fasmata metaksy toys afoy allhloepikalyptontai oi syxnothtes toys;
Alla prota to arxiko fos tha eprepe na einai polomeno se kapoia kateuthinsi.
Kai deuteros tropos tha itan an eixes kapoio tropo oste na metrisis tin fasi tou fotos. Sigoura to fos mou tha epanaekpempete tha exei diafora fasis apo to arxiko fos
Opws to katanow to thema egw, pou eimai apofoitos lukeiou, otan riskeis mia desmh aktinovolias diaforetikvn suxnothtwn (px fws) panw se ena aerio h desmh opws poli swsta aneferes tha ekselthei apo to aerio sto akeraio ektos apo tis sixnothtes pou tha aporofisei to aerio. To simandiko einai oti h dieuthinsi ths desmhs den allazei ektos apo thn periptwsh pou exoume paremvei emeis. H aktinovolia omws pou aporofithike tha ksanaekpempfthei pros diaforetikes kateuthinseis oi opoies tha epireazondai apo thn thesh pou tha exei to hlektronio tou kathe atomou otan auto apodiegeiretai. Etsi telika tha exoume mia desmi pou ekserxetai (fasma aporofisis) kai thn aktinovolia pou diaxeetai ston xwro (fasma ekpomphs).