Ken Liu really knows how to write a short story. These are all gripping. They are also mildly terrifying. These are scifi, not horror, but they paint a bleak picture of the future. And now I will henceforth have nightmares about the singularity. (The singularity is a hypothetical point in time when artificial intelligence (AI) becomes so advanced that it surpasses human intelligence, potentially leading to the end of humanity.)