A small Singaporean research team has beaten scientists in China and the United States to build the world’s most accurate atomic clock. The clock, built with a single ion of a rare earth metal element known as lutetium, is so precise that it would lose one second every 260 billion years – nearly...
Source: [SCMP](https://www.scmp.com/news/china/science/article/3369532/david-vs-goliaths-singapore-builds-most-accurate-clock-ever-leaves-us-and-china-dust?utm_source=rss_feed)