…go from the inner planets to, say pluto, and that means that within 12 light hours of the sun these o Neill type habitats, which everybody agrees are technically feasible, could be erected and that means a fantastic proliferation of experimentation in human…

…off to be able to do it because we're just too much of a burden on the planet itself as we are. Yes well Gerard O Neill has suggested that we could lift all heavy industry off the planet by 2050. This is not an unreasonable notion you know. I mean…

…at cultural restructuring to leave it behind. The Chinese have no such problem. I think it was freeman Dyson or perhaps Gerard O Neill who said no technology should be put in place that has a foreseeable obsolescence. This was his argument against nuclear…

…of nature that fell away 15 000 years ago and cannot be recaptured. I might just end by recalling a statement I think Gerard O Neill made it in answer to this very objection. He said: the earth is the cradle of mankind there is no question about that…