Show How Selenium I. I Employed Solid bubbles of selenium the strange element that transmits electricity electricity elec elec- when light shines on It though at other times it offers otters great resistance resist ance anco to an electric current can be blown with the aid of a a. a aglaee glass tube reports reports re re- ports Charles E. E S. S Phillips In Nature a London publication The selenium Is I. melted and when the tube If Is dipped Into It withdrawn and blown through a rather shaped sausage bubble can be blown A curious effect reported Is that when two bubbles bubble even twenty four hours bours old are are brought Into contact they seize violently violently violently vio vio- together and cannot again be separated The method he says sars Is a convenient one of getting flakes of selenium for experimental purposes |