The Big Idea behind Incandescence

Over at The Whatever, John Scalzi is featuring a guest-blog from Greg Egan in which he explains The Big Idea behind Incandescence. Here’s a snippet: "Incandescence grew out of the notion that the theory of general relativity — widely regarded as one of the pinnacles of human intellectual achievement — could be discovered by a pre-industrial civilization with no steam engines, no electric lights, no radio transmitters, and absolutely no tradition of astronomy."