From: "Billy Brown" <email@example.com>
>>Brian D Williams wrote:
>> Actually current thinking is that there is no need to build
>> larger than 100MT. At 100MT a 10 mile diameter chunk of
>> atmosphere blows off into space. Larger bombs only blow the same
>> 10 mile chunk at a faster rate. Unless we're talking planet
>Depends on how deep the target is. I don't have my penetration
>figures handy, but I recall that penetrating very deep targets
>rapidly turns into an exercise in building gigantic bombs. Of
>course, there are lots of other ways to approach the problem, on
>both sides - I just wanted to point out that moving mountains
>doesn't require any exotic technology.
So you are talking about planet busters i.e. burrowing H-Bombs.
Your subsequent post about space makes it clearer why we might need these devices i.e. planetary level defense.
Member, Extropy Institute