Word: nagasaki
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...London, it tried, although it failed, to reach its absolute climax. In the cities of the world, people raised their awed faces to the skies while air power thundered over Manila, Singapore, Sevastopol, Cologne, Schweinfurt, Regensburg, Hamburg and Berlin. Over Hiroshima and Nagasaki, air power very nearly did reach its final aim of total annihilation; in those two cities, 125,000 Japanese perished in two clock ticks...
...said Zacharias, now has atom bombs 50 times more powerful than those that fell on Hiroshima and Nagasaki. But there are other weapons in the new alphabet of destruction: 1) bacteriological bombs containing either botulinus toxin or psittacosis virus; 2) a U.S. -developed biological spray that "can wipe out all forms of life in a large city"; 3) some sort of military application of cosmic rays which is now, he thought, being developed by Russian scientists...
...Atomic Energy Commission announced that plutonium, core of the atomic bomb that devastated Nagasaki, had, to a certain extent, been tamed. It would still be a long time before atomic energy would turn a wheel or drive a plane, but the new "fast reactor" (see SCIENCE) was a long step beyond the apocalyptic vision of Bikini...
Hazardous Past. The tight-lipped Atomic Energy Commission did not tell all it knows about the new "reactor." The active substance is plutonium, which wrecked Nagasaki. This time it is under exact control. In operation since last November, the tame bomb can be throttled down until "the heat produced in the core of the reactor is no greater than that given off by a kitchen oven...
...neutrons to make its atoms split. Thus, a uranium pile is made up of small rods of uranium embedded in a large mass of graphite. Plutonium is different: its atoms can be split by fast neutrons. So a pile made of plutonium needs no graphite or other "moderator." The "Nagasaki model" atom bomb is a plutonium pile that reacts so quickly that it blows itself (and the neighborhood) to bits in millionths of a second...