1. Science and the ethics of the atomic bomb
Stewart Mann

5. How the atomic bomb was developed
The overall atomic bomb project which took place during WWII was called the Manhattan project
It involved the work of hundreds of scientists and engineers from multiple disciplines
Participants in the Manhattan project worked at multiple locations in the USA and Canada

9. Nuclear energy
Nuclear energy from the atomic bomb is released by fission of Uranium 235
The amount of energy is defined by Einstein’s equation
Nuclear energy from the sun is produced by hydrogen fusion – 4 million tons of hydrogen are consumed every second producing 400 septillion Watts - more energy per second than the earth uses in 1 year by a factor of one million

14. Using atomic bomb controversial after Germany’s surrender
Germany surrendered in the Spring of 1945
Atomic bombs were dropped on the Japanese cities of Hiroshima and Nagasaki in August 1945
Prior to the use of the atomic bombs, many prominent citizens and scientists objected
69 scientists from the Manhattan project signed a petition against the use of the bomb

18. “The Japanese had, in fact, already sued for peace
“The Japanese had, in fact, already sued for peace. The atomic bomb played no decisive part, from a purely military view, in the defeat of Japan.” Admiral Chester W. Nimitz

19. Despite the concerns raised, President Truman decided to use the atomic bomb against Japan

21. The devastation caused by a single weapon was terrifying
Japan surrendered shortly after

25. The atomic bombs dropped on Hiroshima and Nagasaki were devastating, however the bombing of Tokyo by conventional weapons in the Spring of 1945 resulted in similar causalties
The use of the atomic bombs has remained controversial with support for their use declining over time in the USA and Japan

28. Hiroshima memorial