# Lu+ optical frequency references with accuracy verified at the 19th digit

> **Newsylist Open Intelligence Dossier** · First detected: 2026-09-24 13:29 UTC · Category: World · Sources: 2 · Current Velocity: 0.71

## Multi-Source Evidence Table
| Source Outlet | Headline | Published (UTC) | Verification URL |
|---|---|---|---|
| The Economic Times | This atomic clock is so precise it can detect how gravity changes time. Scientists now want to take it out | 2026-09-23 23:32 | [Source Link](https://news.google.com/rss/articles/CBMi3gJBVV95cUxPZUFmME5ZY3ZEQlJobHoxSmExSmdhQzNZU251aVpQY01DaTlmLUxKb3g4dVBMaU1OQTAtVWEyYjlRMmpTRlRVZ1BlVzdDaEtqWERkSW9TNDJ4ZXVJSDZ1bWU3NFZDaXJyN0tiaTk4U3QwQXdSWllULU80NG1TUWpDSlFpTnZ0SkpaeHVlRzNCVHQtYlJHUFJLRjNoc2E3OXY3SlJCTUtOWmRIS3hza0JqTmhFRGZfeldaSTMyT3FjUFJtNkpGWE1aUE0xVEk1NVRkVExCcnpFbEpQWUNOMFVZQnZ5V25HQXgwczJLWWtiV2Zkb1dETXVIWnhhRnJXNDlhMy1qajhDVGFrNXhZdFVXeFZzYWRhVzh0dDNwemxLakxhWjJzdEpSTFQyS0NVTHAtdEpKSlFYZVdzQVF6SHV2X0FwcTQ1UU5Fa1U4TXZXaWJhZ2dxNlo) |
| Interesting Engineering | World-first: Scientists use lutetium to build world’s most accurate atomic clock | 2026-09-23 23:32 | [Source Link](https://news.google.com/rss/articles/CBMijgFBVV95cUxQaU9DTmVMLXozYmVLLWN0VmR1WEV6amZmanVJZTh6RVF5ekQ4LXlyTTNLMmZwX3F2LU9GakcweGNhZ1lSQWhUcks3dUxjRDdrYVk2MHMzXzQtZEJpdjRaaHlyOEZDQ0lOeFkyS0ZqZzZ4RjU3eDVocEoyOUhaSk51STJWbG8zaHM0ZG44ejNR?oc=5) |

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*Canonical Source: https://www.newsylist.com/trend/2026-09-24/lu-optical-frequency-references-with-accuracy-verified-at-the-19th-digit-2*
*Synthesized by Newsylist Open Intelligence Engine under E-E-A-T journalistic standards.*