Hold-Time Violations by John Chu Ellie is on her way to visit her comatose mother when her sister sends her to repair physics. Each universe has skunkworks that generate the universe within it, making this multiverse a set of matryoshka dolls. The skunkworks that generate this universe have become faulty, and the physical constants suddenly...aren't. In order to fix the skunkworks, to make physics self-consistent again, and to make the world work as it's supposed to, Ellie will have to remember everything her mother has taught her. I missed a lot of good short fiction during my vacation. Hold-Time Violations is definitely one of them. John Chu is well known for his short fiction stories. One of his stories even won him the Hugo Award for Short Stories back in 2014. What drew me to Hold-Time Violations was the challenging and promising synopsis. I like my science fiction with a challenge and definite thought behind it and this is precisely what John Chu delivers. ...