There is the theory that a "cobalt bomb" would be pretty effective in wiping out... | Hacker News

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		bleair on April 20, 2014 \| parent \| context \| favorite \| on: Did Israel steal bomb-grade uranium from the Unite... There is the theory that a "cobalt bomb" would be pretty effective in wiping out humanity. http://www.rense.com/general40/dooms.htm Cobalt's half-life, ability to be transported around the planet's atmosphere as dust, and the the type of radiation that cobalit-60 produces makes for a pretty good theoretical doomsday device.

leccine on April 20, 2014 [–]

You still can't hit 100% of Earth at once. Co-60 has longer half-time but you still need to distribute it to everywhere and that is very difficult.

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