World of Krypton First Appearance World of Krypton#1 (July, 1979) The World of Kryptonwas a storytelling trope that originated during theSilver Ageera of publication. The title was used to describe a featurette which typically served as a back-up story in issues ofAction ComicsandSuperman. ...
Yes,Geiger Countersequipped withpancake type detectorscan detect the radioactive noble gases Xenon and Krypton better than most detectors, but they cannot differentiate between the isotopes and also would have difficulty detecting subtle levels that would occur at a large distance from the underground s...