The availability of weapons technology raises many ethical issues. For example most people would accept the need for armed forces for national defence but might question their use in aggressive military operations elsewhere in the world. The existence of chemical, biological and nuclear weapons of mass destruction also suggests more fundamental ethical questions:
- When would it ever be justifiable to use these weapons?
- Who would make that decision?
- How can we prevent terrorist groups from acquiring this technology?
- How can scientists ensure that their research is used for ethical purposes?
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Watch a Google video of the largest nuclear bomb ever built.