Singapore's Precision: Crafting the Most Accurate Atomic Clock

Singapore has developed the world's most accurate atomic clock, outperforming previous records set by China and the US, and potentially aiding in redefining the second.

Key facts

• Singaporean researchers have built the world's most accurate atomic clock.
• The clock uses a single ion of lutetium, a rare earth metal.
• It is estimated to lose one second every 260 billion years.
• It is four times more accurate than the previous record holder from China.
• It surpasses the accuracy of a clock developed by the US National Institute of Standards and Technology.

Sources

• South China Morning Post