Randy Yates <[email protected]> wrote:

>[email protected] (Steve Pope) writes:

>> There's a slight problem with fusion: it's dirty. For a given
>> power output, it has five times the neutron fluence of fission.

>Carbon shielding? Lead? This would seem an easy problem to solve, at
>least to the ignorant.

It's by no means easy. It means that reactor core components
exhibit radiation fatigue that much faster, and when they
are replaced they become high-level waste -- five times as
much of it.

Fusion advocates downplay this, because of the "fusion = clean"
mindset, but it's a serious problem.

Steve