I think the high tech his article is talking about is a few orders of magnitude greater than the imagination and thoughts of the comments mentioned so far. Thin

I think the high tech his article is talking about is a few orders of magnitude greater than the imagination and thoughts of the comments mentioned so far. Think of technology that assemble from dust, factory probes that can detect elements and generate children from the bare elements in interstellar space. Or technology that could create and collapse Stars.