Show helium fiell aim has little commercial value valm practical commercial utility 01 ol 0 the lightweight helium discovered in the air by university ot of california remains s 1 extremely doubtful tho the so scientists lentIs ts have reported dt dr alls W alv alyarez a rez aisis assistant fant pio professor fessor of physics who ert cornog graduate student from denver We nver detected ofir quantities of th the e lighta lightweight eight helium in ordinary air reported the djs covery Is considered important tp the of physics but its po pos s ribia use in commercial torm such asan as to lighter than air cratti craft is S very mu much ch in doubt Reason clr why the commercial uti 1 1 ity of lightweight helium is extremely doubtful is that no method has cef letb veen een devised to extract any type bf b helium tr rom om the air in usable commercial quantities the scientists made their discovery with the ak aid of the university ton atom s smashing mashing cyclotron the united states fates has a donop aly on heavy hel helium lurn which has a lifting power per cent that of 4 t hydrogen drosen hy ohp lightest known gaca gas |