Fairchij: I think Rainer is spot on when he talks about Nuclear being the answer. There is no question about this.

Thanks for your post, Fairchij! I caught up with this forum only now, because I have been busy lately releasing a new Nuklearia flyer about radiation: http://nuklearia.de/strahlung/. Nuklearia is a pro-nuclear German association of nuclear professionals and non-professionals I have the honour to chair. Ha, we even have a member in Toronto! :-)

Our flyer is a translated and developed version of the English "Radiation – The Facts". Might be quite surprising! I hope you are interested and follow this link: http://atomicinsights.com/radiation-facts/.

(This post is off-topic, as you might have noticed. Still there might be some vague relation between nuclear and POET, because uranium-dioxide has great optical properties as a semiconductor. However, while you could build very efficient solar cells from it, it is not well suited for small structures, because of, em, obvious reasons.)