From the archives: @generalmatter CEO and early SpaceX engineer @ScottNolan on Elon's solar predictions and putting solar panels in orbit: "Solar obviously takes a lot more area on the ground, but there is plenty of area for that in general. The missing piece was really storage." "Solar is inherently cyclical. To smooth it out, you need very cheap grid-scale or at least gigawatt-scale storage. Batteries or other forms. We haven't had that yet at a cost point that I think can compete with…