Show atom take journey atoms even the heavy atoms of lead are wanderers prof J G von ot the university of frel burg in germiak Germi ay has been investigating their properties lead atoms are constantly in motion even in solid metal he believes in an alloy of lead and gold at a tempera ture half again as high as that of boiling wafer the adomi wander through a space of a hundredth of a cubic inch in a day when there la nothing but lead in the lump however moving about Is not nearly 8 easy in pure lead an atom can ml grate in one dv through a space of one to two ten of a cubit inch |