The news of the first-ever image of a black hole swept the world yesterday. Einstein's equations and our general understanding of physics had predicted these phenomena in space, but we had never actually seen one. Artists had done a great job at illustrating these "black holes" in the universe, but yesterday's image was visual proof they existed. Even with our advanced understanding of physics, black holes have always inspired awe. After all, how can something so massive be so small (relatively speaking) and so large at the same...