LA Times: Just past Barstow on Interstate 15, Las Vegas-bound travelers can eye a tower resembling a lighthouse rising out of the desert encircled by more than 1,800 mirrors the size of billboards. The complex is often mistaken for a science fiction movie set, but it is actually a power plant that once used molten salt, water and the sun’s heat to produce electricity. Now a storied rocket maker in Canoga Park and a renewable energy company in Santa Monica are hoping to take what they …