The National Geographic Magazine, Volume 105National Geographic Society, 1954 - Geography Indexes kept up to date with supplements. |
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Page 74
... neutrons , but isotopes of cobalt may have from 28 to 37 neutrons . " Isotope " comes from two Greek words , isos ( same ) and topos ( place ) , which means that , though isotopes of any one element differ in weight , they all have ...
... neutrons , but isotopes of cobalt may have from 28 to 37 neutrons . " Isotope " comes from two Greek words , isos ( same ) and topos ( place ) , which means that , though isotopes of any one element differ in weight , they all have ...
Page 79
... neutrons fly out , the nucleus breaks into two parts , and rays are emitted . Atomic energy is liberated when a neutron flying out from a uranium atom strikes and fissions the nucleus of another uranium atom . Neutrons in this nucleus ...
... neutrons fly out , the nucleus breaks into two parts , and rays are emitted . Atomic energy is liberated when a neutron flying out from a uranium atom strikes and fissions the nucleus of another uranium atom . Neutrons in this nucleus ...
Page 89
... neutrons . Some of these neutrons change still more uranium 238 into plutonium , which releases still more energy and neutrons ; and so on . The breeder reactor is the kind which prob- ably will be used eventually in making elec ...
... neutrons . Some of these neutrons change still more uranium 238 into plutonium , which releases still more energy and neutrons ; and so on . The breeder reactor is the kind which prob- ably will be used eventually in making elec ...
Contents
Britains Fabulous Crown Colony on the South China | 6 |
War and Quiet on the Laos Frontier Everyday Life Goes On | 6 |
Scotlands Golden Eagles at Home Climbing Perilous Cliffs to Lofty Eyries | 6 |
Copyright | |
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