This book provides the first comprehensive description of time crystals which have a repeating structure in time. It introduces the fundamental concepts behind

What Is Time Crystal In condensed matter physics, a time crystal is a quantum system of particles whose lowest-energy state is one in which the particles are in

The Rime petrose, Dante's powerful lyrics about a woman as beautiful and as hard as a precious stone, are generally acknowledged to be an important moment in hi

A false king has seized Camelot's throne, sentencing Tedros, the true king, to death. While Agatha, narrowly escapes the same fate, Sophie is caught in King Rhi