I came here to post pretty much the same thing. If you believed the commercial success of all the solar panel breakthroughs we have been hearing about, then by

I came here to post pretty much the same thing. If you believed the commercial success of all the solar panel breakthroughs we have been hearing about, then by now every solar panel would be the size of a postage stamp, be generating 12 KW of power by moonlight and they would have been giving away a free solar panel with every six-pack of beer...