I went and had a look there, it looks good, full compliments to you for the work you have obviously put in, and I hope some of that stuff comes to fruition.

My own interest comes from 30 years in aerospace as a systems Engineer, most recently with some experience of applying putting the technologies of virtual worlds and UAVs together as a PhD candidate.

I should be excited by the article of your link, and there was a time not so long ago when I would have been, but am not, given I know there is a fundamental reason we will not get as far as exploring any of the possibilities you've found there.

I changed direction towards focusing on the global energy problem when it became apparent this is something which will fundamentally prevent all other possibilities of any of the other stuff, despite it seeming to be be less exciting on the face of things, it is something that needs to be sorted for any of the things you've been talking about to become reality, and on digging into it, we find some fundamental issues with science itself, preventing us from fixing the energy problem.

The problem with science is that it is pretty much driven by profit, whilst the ncessary energy fix, reversing the damage done to the environment, removes all possibilities of profit.

The concept of profit is intrinsically linked with extracted energy, which is the thing unsustainable, and the thing artificially imposing a limit on how long humanity will survive on Earth.

That human problem, is what I see as the main challenge of humanity right now, and if we think this has nothing to do with us personally, we'd better think again, because we are heading for a situation where the majority of us are going to find it physically impossible to continue to derive the 100 Joules per second or so minimun energy we all need 24/7 for our bodies to carry on functioning, in the not too distant future, as things are.