Show I NATURE OF ETHER Sun Pun Tho great chemist t Prof pelT discoverer Ul of or the periodic law of or the tho elements has hI con contributed 1 to the tho new neu Russian Hu Encyclopedic lo Ie Dictionary a remarkable paper In which he inc heels deals with time tha ether A 1 I translation lon of ot this article printed In Inthe Inthe Inthe the current number of ot Nature will be bo beof boot beof of ot supreme Interest to all nil physicists In opposition to some lame recent thinkers insists that matter matler Is not a 0 mode mOlle of ot force but that sub stances fiances musses masses and phenomena movements m must be bl recognized recognize ns as two r categories such us nis space and time the substance of at which our thought hus hulS not lot yet nt penetrated but without which h It H cannot work The fhe Theother Theother other of space he regards r as matter resembling In having no rower power of at al combination It mu must t also alati pos possess e s extremely low loin den lIen density density sity and great rapidity of ot molecular motion mollon In Iii order that tine the ether may escape from Irom the sphere of ot attraction of or star fitly fifty fiet times as Us great grent as liS the tho mass massat at nt the tho sun It must an nn atomic weight not more than The very small email value aille ot o this figure I ure ex cx explains plains why there Is 18 little hope mope of at Iso Isolating I o toting lating this substance of or the ether In In tine the near future and It also nho explains winy why It penetrate all nil substances sub |