As the last few years have made abundantly clear, fallacies can be dangerous when enough people believe they’re true. It’s an idea at the center of Sue Burke’s new hard sci-fi novel Dual Memory (hardcover, Kindle, audiobook). Except that, as she explains in the following email interview, the falsehood believed as fact that influenced this story isn’t one that came up in the last few years, but a real one many years ago.