Ibisobanuro ahagana hasi ku ipaji

e Mu kinyejana cya 19, umuhanga mu bya siyansi witwa William Thomson, nanone bita Lord Kelvin, yavumbuye itegeko rya kabiri ry’ishami rya fiziki ryiga iby’imbaraga kamere, rivuga ko uko igihe kigenda gihita, ibintu bigize isanzure ry’ikirere bigenda bisaza bikangirika. Imwe mu mpamvu yatumye afata uwo mwanzuro, ni uko yasuzumye yitonze amagambo aboneka muri Zaburi 102:25-27.