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...several cities, the favorite theory was that radioactive particles from the latest hydrogen-bomb explosion were falling upon the earth. This explanation was promptly exploded when Geiger counter tests found no radioactive material in the pockmarks...

Author: /time Magazine | Title: TRANSPORT: Chicken-Licken & Radiolaria | 5/3/1954 | See Source »

...fish in the Fortunate Dragon's hold had been sold to markets all over Japan. As the government tried to track down the dangerous fish, a wave of alarm and anger spread over Japan. The bottom dropped out of the fish market. Shops sold out their supplies of Geiger counters, and all incoming fishing boats were checked for radiation. The highly radioactive Fortunate Dragon was quarantined and the entire crew hospitalized. U.S. Ambassador John Allison offered profound official apologies, promised restitution if "the facts so warrant." Meanwhile, there were other aftereffects of the blast...

Author: /time Magazine | Title: THE ATOM: The Ashes of Death | 3/29/1954 | See Source »

...Atomic Energy Committee, began an investigation of the March i explosion and announced that the U.S. now has a deliv erable thermonuclear weapon. <| The AEC enlarged the danger zone around the atomic-test site in the Marshalls to 20 times its original area. ^ The Food & Drug Administration ordered a Geiger check on all shiploads of tuna and shark coming into West Coast ports from the test area...

Author: /time Magazine | Title: THE ATOM: The Ashes of Death | 3/29/1954 | See Source »

Flash-Dater. Finding the age of ancient objects by radioactive Carbon 14 depends on supersensitive measuring apparatus. Professor Willard F. Libby, University of Chicago discoverer of Carbon 14 dating, uses a Geiger counter surrounded by a shield and other protections against intruding radiation. Chicago's Professor James R. Arnold announced last week an even more sensitive system...

Author: /time Magazine | Title: Science: Atomic Gadgets | 2/8/1954 | See Source »

Last week Hibben got some strong support. At his request, University of Michigan scientists had put the tusk fragments through their new radioactive carbon dating apparatus. This machinery, with the help of a Geiger counter, samples the amount of Carbon 14 in the tested material, assessing its age by the number of counts it makes. Their findings: the tusk is 20,000 years old. By implication, so is Sandia...

Author: /time Magazine | Title: Science: Early American | 12/28/1953 | See Source »

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