It's interesting work. I wonder how much input energy is required to mine, refine, and build the required silicon and titanium oxide nanowires? If it's less tha

It's interesting work. I wonder how much input energy is required to mine, refine, and build the required silicon and titanium oxide nanowires? If it's less than 1 to 1 with the lifetime output, then the tech will need more work to be a real solution. Hopefully it scales.