Black Hole Lane, Rauks (Rocks), Worm on the Tree of Life

This week’s Feedback column (that I write) in New Scientist magazine has three segments. Here are bits of each of them: Mapping black holes — Richard Notley has been wondering down a dark path… and found enlightenment in remarks made by mathematician Roger Penrose (New Scientist, 19 November 2022) about the structure of the universe. He writes: “Roger […]