The National Geographic Magazine, Volume 114National Geographic Society, 1958 - Geography Indexes kept up to date with supplements. |
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Page 237
... Cosmic rays bombard upper atmosphere. Linen wrappings from some of the scrolls were subjected to carbon dating ; they proved to be more than 1.900 years old . This test , made by highly reputable scientists , helped convince skeptics ...
... Cosmic rays bombard upper atmosphere. Linen wrappings from some of the scrolls were subjected to carbon dating ; they proved to be more than 1.900 years old . This test , made by highly reputable scientists , helped convince skeptics ...
Page 238
... cosmic rays bombard the upper atmos- phere with billion - volt energy , producing great numbers of rapidly moving neutrons . * These , he believed , must collide with abundant nitrogen atoms in the atmosphere , transmut- ing some of ...
... cosmic rays bombard the upper atmos- phere with billion - volt energy , producing great numbers of rapidly moving neutrons . * These , he believed , must collide with abundant nitrogen atoms in the atmosphere , transmut- ing some of ...
Page 242
... cosmic rays that penetrate the shield . These counters cannot stop cosmic rays , but they turn off the main counter for an infini- tesimal fraction of a second while a cosmic ray is passing through . Telling Ticks from Tocks The two ...
... cosmic rays that penetrate the shield . These counters cannot stop cosmic rays , but they turn off the main counter for an infini- tesimal fraction of a second while a cosmic ray is passing through . Telling Ticks from Tocks The two ...
Contents
Poseidons Playground Sailing in Grecian waters sprinkled with | 281 |
New Atlas Map Links Roman and Atomic Times in the British Isles Text | 286 |
New Atlas Map Portrays Greece and the Aegean Text accompanying | 295 |
Copyright | |
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