The main problem with solar on the Earth's surface is that it is so intermittent, and we don't have decent storage yet.
Stewart BrandWhen the government tries to run innovation, sometimes it does it well and sometimes it doesn't. So setting up a situation where the market runs innovation, which is a cap-and-trade idea, may well have more flexibility.
Stewart BrandOne advantage of a solar collector in space: It would be some kind of origami thing that would unfold and be relatively light because it doesn't have gravity to deal with.
Stewart Brand