"Robert J. Bradbury" wrote:
>
> There are two ways to look at a terraforming discussion
> (1) you believe nanotech is possible.
> (2) you don't believe nanotech is possible.
You ignored the third and most important: (3) nanotech is possible, but not guaranteed to be benevolent. We need a safe harbor just in case, that is nanotech free.
Mike Lorrey