big enough to explode but with the central core missing so that it was safe. ... The first design considered by the scientists at Los Alamos was a Gun-type assembly. ... A schematic diagram of the atomic bomb is shown in Fig. 19-2. ... The extremely rapid expansion of the fireball causes high-pressure air to move away from it.
|Title||:||Physics, the Excitement of Discovery|
|Author||:||Margaret Stautberg Greenwood|