Dale nodded absently, copying her word down. His original intention had been to just give her the book—she could pass it on to an engineer or whomever they had on the ship that would know these things—and it would be another sign of just how advanced human civilization was. Now he was having regrets—first, because she would no doubt want him to go through it like they had with every other book; second, because a distant part of his mind was reminding him that there was some speculation that there were more than just three dimensions. A lot of the geometric rules were discovered a long time ago—the Pythagorean theorem dated to ancient Greece, after all—and they might think that humanity hadn’t progressed past that point. There was a scene in one of the Star Trek movies where Scottie had called a keyboard ‘quaint,’—was it possible that they would be chuckling amongst themselves about humanity being stuck on only three dimensions?