Eternal Change for No Energy: A Time Crystal Finally Made Real https://www.quantamagazine.org/first-time-crystal-built-using-googles-quantum-computer-20210730/
quantamagazine.org
published 7/30/2021
author
Natalie Wolchover
summary
Like a perpetual motion machine, a time crystal forever cycles between states without consuming energy. Physicists claim to have built this new phase of matter inside a quantum computer.
