Time

(Illustration by Stephan Schmitz)

The illusion of time There is no such thing as time, says theoretical physicist Carlo Rovelli — reality is just a complex network of events onto which we project sequences of past, present and future. Cosmologist Andrew Jaffe enjoys the exploration of modern physics’ big ideas in Rovelli’s compact and elegant new book — but he doesn’t buy into all of Rovelli’s conclusions. Nature | 4 min read