The Amount of Plutonium in the Nagasaki Bomb

[ pour la version française ]

This glass ball, 3.2 inches across, is the exact size of the plutonium core in the bomb that exploded over Nagasaki on August 9 1945 with a force equivalent to 22 thousand tons of TNT.

photo by Robert Del Tredici
from his book entitled
At Work In The Fields Of The Bomb
(Harper and Row, 1987)

[Breeding plutonium-239 ]
[ Plutonium Sub-Directory ] [ COMPLETE DIRECTORY ]

Since March 27th 1996, there have been over
100,000 outside visitors to the CCNR web site, plus

(counter reset July 2nd 1998 at midnight)