Tiny Asian country beats China, USA to world's most accurate clock — Lutetium-based device loses 1 second every 264 billion years

Singapore's CQT reports two lutetium-ion clocks with record-evaluated uncertainties of 1.2 and 1.3 × 10⁻¹⁹, making them the most accurate atomic clocks to dateThe stated results top Wuhan's calcium clock (4.4 × 10⁻¹⁹) and NIST's aluminum clock (5.5 × 10⁻¹⁹) by a wide berthIt lands days before the CGPM meets in Versailles, where a draft resolution admits no consensus on replacing cesium just yetA team at the National University