1. Hiroshima and Nagasaki

2.  2 bombs were named Fat Man and Little Boy  Fat Man had a plutonium core  10’ 8” long, 5’ wide, weighed 10,200 lbs  Explosion = 21 kilotons of dynamite  Little Boy had a uranium core  10’ long, 28” wide, weighed 8900 lbs  Explosion = 18 kilotons of dynamite

4.  US demanding unconditional surrender, Japan refused  Estimated 2 more years of war, 1-2 million more American deaths  Warning to Stalin as the Cold War began  Lack of understanding of the long-term effects of radiation

5.  Hiroshima – August 6, 1945  Hiroshima – 90% of city damaged/destroyed  Hiroshima – 70,000 dead immediately  Up to 200,000 dead eventually (cancer, etc)  Nagasaki – August 9, 1945  Nagasaki – 35% of city damaged/destroyed  Nagasaki – 45,000 dead immediately  Up to 150,000 dead eventually (cancer, etc)

6. Hiroshima

8. Nagasaki

10. Notice the similarities in the trees…on the left from the volcanic eruption of Mt. St. Helens, on the right from Nagasaki…