物理学家刚刚建造了有史以来第一个核时钟

Physicists Just Built the First-Ever Nuclear Clock - Gizmodo

Physicists Just Built the First-Ever Nuclear Clock Gizmodo Nuclear clocks tick for the first time Phys.org First working nuclear clock heralds a new era in timekeeping New Scientist Clocks made from an atomic nucleus just ticked on for the first time Science News Nuclear clock ticks for the first time, using a thorium-229 atomic nucleus Yahoo

这条新闻具备可验证事件线索，可继续观察是否形成 Yes/No 预测问题。

同主题新闻会帮助 Google 识别事件簇，也让用户继续进入可交易话题。