Re: [OT]Nukes... tunnels.... boom....Question

> Fusion process still produces a lot of spare neutrons - enough that
the
larger
> bombs use a fission core to start fusion to produce enough neutrons to
start
> fission happening in an otherwise non-fissibleable uranium jacket,
referred to
> as fission-fusion-fission bombs.
>
> If you don't have a fusion tamper, those fusion-resultant neutrons
would
cause
> the casing to become moderately radioactive. Just before it gets
scattered
> across a lot of miles.

This will depend a lot on the irradiated material. Some atomic nuclei
don't
react with neutrons of the speeds prodiced in fusion, others simply
absorb
them. Judicious choice of casing material might result in an H-Bomb
that's
"environmentally friendly" - if you want to call it that. Any irradiated
nearby Earth or other object might still be a problem, though.

Greetings