{"ok":true,"trend":{"id":22,"platform":"hn","region":"global","key":"scientists build most accurate atomic clock","title":"Scientists build most accurate atomic clock","url":"https://phys.org/news/2026-09-scientists-world-accurate-atomic-clock.html","first_seen":"2026-09-26T16:31:27.675667Z","last_seen":"2026-09-26T20:50:48.325339Z","last_rank":3,"peak_rank":3,"last_volume":54,"peak_volume":54,"seen_count":8,"score":90.84,"category_hint":"world","section":"science","category":"physics","summary":"Researchers have developed the most accurate atomic clock ever built, according to a new report. The advance pushes timekeeping precision beyond existing standards, a field where even tiny improvements matter for GPS navigation, telecommunications, and tests of fundamental physics such as whether fundamental constants change over time. Details of the clock's design and measured accuracy have drawn attention from the scientific community.","why":"Precision timekeeping breakthroughs are rare and have broad implications for science and technology, sparking interest among researchers and tech enthusiasts.","tone":"neutral","entities":["atomic clock researchers","phys.org"],"summarized_at":"2026-09-26T20:02:44.503037Z","meta":{"via":"scan","lang":"en","link":"https://phys.org/news/2026-09-scientists-world-accurate-atomic-clock.html","term":"world news","hn_id":"49824846","comments":24},"nw":0.8,"promo":0.02,"kind":"news_event","importance":1.73,"hidden":false,"hide_reason":null,"judged_at":"2026-09-26T17:51:17.084037Z","title_en":"Scientists build the world's most accurate atomic clock","section_name":"Science","category_name":"Physics","timeline":[{"captured_at":"2026-09-26T16:31:27.675667Z","rank":22,"volume":40},{"captured_at":"2026-09-26T16:34:06.864688Z","rank":22,"volume":40},{"captured_at":"2026-09-26T16:35:58.945546Z","rank":22,"volume":40},{"captured_at":"2026-09-26T16:42:04.911549Z","rank":23,"volume":43},{"captured_at":"2026-09-26T16:54:55.223494Z","rank":23,"volume":45},{"captured_at":"2026-09-26T17:03:34.613956Z","rank":21,"volume":47},{"captured_at":"2026-09-26T17:05:47.236080Z","rank":21,"volume":47},{"captured_at":"2026-09-26T17:10:40.080839Z","rank":21,"volume":47},{"captured_at":"2026-09-26T17:25:40.018461Z","rank":22,"volume":48},{"captured_at":"2026-09-26T17:28:25.771893Z","rank":21,"volume":50},{"captured_at":"2026-09-26T17:29:54.175299Z","rank":21,"volume":50},{"captured_at":"2026-09-26T18:13:04.593656Z","rank":3,"volume":53},{"captured_at":"2026-09-26T19:30:08.267035Z","rank":3,"volume":53},{"captured_at":"2026-09-26T20:50:48.325339Z","rank":3,"volume":54}],"posts":[{"platform":"hn","url":"https://news.ycombinator.com/item?id=49824846","author":"wglb","title":"Scientists build most accurate atomic clock","snippet":null,"posted_at":"2026-09-24T01:00:01Z","likes":54}],"elsewhere":[],"window":"7d"}}