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Show SEE EXHAUSTION OF RADIUM Many Authorities Believe There Will Be None Remaining In About Twenty.Flve Yean. Some authorities predict thnt, 25 years from now, thero will be no ru-dlum ru-dlum left In the world. ly that time, It Is claimed, nil uvnllnblo ores of this wonderful mineral will huvo been imed up. The so-called nullum emniiutluns ure HupjMised to be- electrified particles thoUBh Just what these purtlcles ore nobotly hnows. They do not seem to bo ldcntlllalUo us my kind of mutter. But nfter belnj: Riven off, they ceuse to be electrically clinked und assume tho fonu of helium. Here Is n case nltoRether cxtraor-Alnnry. cxtraor-Alnnry. In which ono element Is uctual-ly uctual-ly trunsmuted Into another element u phenomenon which bus hitherto been tliouKht Impossible. Helium wus first discovered lu tho sun. It wus Inter found In our own atmosphere, which contains u minute pcrcentiiKu of It. Natural ens from some wells In Texas nnd elsewhere yields considerable quantities of It so much In certain liiHtuuces that, being be-ing nonlnllammaliJe, It renders tho ens liss useful as fuel. Is It to bo Illumined that nil of the eslstliiK helium wiir originally derived from nidliuu7 Nobody con nnsuor that question. |
