but i do think that new ideas can change the world, and they are off unpredicted, unmodelled, and they change the course of future societal developments in very unexpected ways. and i think this one has similar disruptive nature. at this point i think i've gotten through my main section, and if you have questions and debate points, i'm more than happy to entertain them. and i think i already have a first one there. [applause] thank you. >> actually two questions. i'm jan -- [inaudible] resources for the future. first question is, what inventions are needed, technical inventions are needed to make this a possibility. and the second is not related in one sense, but it is in another sense. could this be tried in a state, for instance, in the united states where an experimental nation? >> the second answer is, yes. because i just said $30 million will get you a prototype. you could take that as a guess, right? that is certainly within the range of a state. and if i had my druthers, it wants to be a desert and dry because my particular technology works particularly well in such ap environme