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

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

The growth of ice crystals as a function of depth and time in polar firn and glacier ice has been investigated at a number of locations in Antarctica and Greenl

A fascinating, many-layered true adventure story that spans the globe and follows the author's quest to discover the meaning of various crystal skulls - which r