I’ve heard people say there is no fallout, but there typically is a fission bomb in the secondary stage. Where does its radiation go? Is it just blown away by the fusion bomb so it’s no longer as deadly? Isn’t it still there though? Is it just weaker?
In: Physics
Simple answer, yes. A hydrogen bomb contains a regular fission bomb inside it as the trigger to start the fusion reaction.
More complicated answer, not as much. A modern hydrogen bomb has a much higher yield but only the fission primary produces fallout and that fission primary is extremely small because modern designs are more efficient compared to designs from the 40s so you’ll end up with maybe 10x less fallout and 10x more explosive power.
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