<p><img src="https://images.cointelegraph.com/images/840_aHR0cHM6Ly9zMy5jb2ludGVsZWdyYXBoLmNvbS91cGxvYWRzLzIwMjQtMDgvN2U4MmMxNDYtOTE4Yy00NmVhLTljYmYtMjE0MDdmYTBiMWI1LmpwZw==.jpg"></p><p>China’s room-temperature time crystals could radically affect the timeline for the arrival of useful quantum computers.</p>