Author(s): Kacper Prech, Gabriel T. Landi, Florian Meier, Nuriya Nurgalieva, Patrick P. Potts, Ralph Silva, and Mark T. Mitchison A sequence of random events can act as a clock, and its accuracy is fundamentally limited by how often those events occur, as shown by a new bound linking timekeeping precision to the statistics of waiting times. [Phys. Rev. X 15, 031068] Published Thu Sep 11, 2025