Eternal Change for No Energy: A Time Crystal Finally Made Real | Quanta Magazine
In a preprint posted online Thursday night, researchers at Google in collaboration with physicists at Stanford, Princeton and other universities say that they have used Google's quantum computer to demonstrate a genuine "time crystal." In addition, a separate research group claimed earlier this month to have created a time crystal in a diamond.
https://www.quantamagazine.org/first-time-crystal-built-using-googles-quantum-computer-20210730/