Hiroshima and Nagasaki

 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

 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

 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)

Hiroshima

Nagasaki

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