I’m fascinated by solar power on any number of levels, only one of which has anything to do with investing. First and foremost, the science geek part of me just loves the idea that you can put a chip of silicon out in the sun and get electricity out of it. And you can keep getting that electricity as long as the sun shines. When I was growing up in the 1950s, the good people at Bell Labs (anyone else remember Our Mister Sun?) were the science equivalent of Walt Disney: benevolent, competent and full of surprises. (Work at...