A more readable editorial can be found here: <a href="https://www.quantamagazine.org/finally-a-problem-that-only-quantum-computers-will-ever-be-able-to-solve-20180621/" rel="nofollow">https://www.quantamagazine.org/finally-a-problem-that-only-q...</a><p>> Computer scientists Ran Raz and Avishay Tal provide strong evidence that quantum computers possess a computing capacity beyond anything classical computers could ever achieve. . . . They prove, with a certain caveat, that quantum computers could handle [a specific kind of computational problem] efficiently while traditional computers would bog down forever trying to solve it.