The National Geographic Magazine, Volume 114National Geographic Society, 1958 - Geography Indexes kept up to date with supplements. |
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Page 270
... uranium , a metal unique among nature's ele- ments . When struck by neutrons , the nuclei of some uranium atoms will split , emitting still other neutrons and releasing energy . If enough of this unstable material is brought together in ...
... uranium , a metal unique among nature's ele- ments . When struck by neutrons , the nuclei of some uranium atoms will split , emitting still other neutrons and releasing energy . If enough of this unstable material is brought together in ...
Page 315
... uranium having been assembled , neutrons leave the unstable nuclei at speeds up to 18,000 miles a second and split neighboring atoms , whose neutrons in turn break up others . Reactors control the process ; bombs let it rage . Painting ...
... uranium having been assembled , neutrons leave the unstable nuclei at speeds up to 18,000 miles a second and split neighboring atoms , whose neutrons in turn break up others . Reactors control the process ; bombs let it rage . Painting ...
Page 319
... uranium will last through 1960 ; its en- riched uranium elements will be replaced as they become exhausted . When a fuel ele- ment is removed , technicians unbolt the reactor's steel dome , and the crane hauls away the deadly element ...
... uranium will last through 1960 ; its en- riched uranium elements will be replaced as they become exhausted . When a fuel ele- ment is removed , technicians unbolt the reactor's steel dome , and the crane hauls away the deadly element ...
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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