There’s a new type of solar plant coming online. It’s huge, cool looking, and might be able to provide power at night. Does it have a future? The massive solar plant nearing completion in the California’s Mojave desert doesn’t look like the solar plants you might be used to seeing. It has no solar panels, for one thing. Instead, it has mirrors—300,000 of them—all arrayed in rings around three giant towers. . . .