# Physicists Find a Mathematical Limit to Making Time Run Backward

> **Open Intelligence Dossier** · First detected: 2026-11-14 14:20 UTC · Category: Technology

## Multi-Source Evidence Table
| Source Outlet | Headline | Verification URL |
|---|---|---|
| JournalArta | Physicists Find Mathematical Limit on Reversing Time | [Source Link](https://news.google.com/rss/articles/CBMikgFBVV95cUxOeXFMQXVxcHJrZVJWZVBrZ3VpQjd2djNfR09yLTBXNzZNX0R0Rzc1ZFN3UlBDZUdpSXp4T0ZOckVOMXZ5SjFoT1ZIQUhjZVMtNk1zaUFjOHRfeGRodXdpU1FYeWlZVzFLTTJEMWRYc2pBeWVmdWFhYkFLLW1CWEt5MTFSWE9ud0ZHalBpR0xuVUxvUQ?oc=5) |
| Around Prague | Physicists Calculate How Far Time Could Run Backward: One Femtosecond | [Source Link](https://news.google.com/rss/articles/CBMirAFBVV95cUxORnNMUnl2NkxtQjF6b2lLZF95VTBjcXlWczNYZlVZZ2k0TUZHNGlPYzFXU1NUWm9qeVhnMmdOeGVyeGUwbGxFUHRnSjFKTkliM2kxQ0s5VG5KUjExMjJVd3IyUmNVaGZRandncUxOVF96YXM4LUtGNmNHMnI5T180NGRrUGFTYmxxWUh0Uy0xRVYwX1ZCb2R2dU9abmsyb3U0WGg3a2I3Yy1TTVFp?oc=5) |
| UA.NEWS | Physicists identify the limit of effective time reversal in a quantum model — ScienceAlert | [Source Link](https://news.google.com/rss/articles/CBMitAFBVV95cUxNS0FLQTJrdzdjUEwybFJEZHJEN2VKc1lFeUlqSENmUzNxTlJpVjM4MVN4VXRHLWt0bmRIdFE0V2JxSmFqdmN1U3hXbVQyaTNqV3Z2TXNxeHBFNDFreXVTR2NkaXY1SXY4aGxhY01pMzFDUk5sSGdWMWhyUmlhTDQ2Xzk3NGtLd1NjM2NRcmhPS0pzcjZkZTB5MHFWMF8zT0hGUmdMRmpoVjEtSml3ZnlOWDZtbGE?oc=5) |
| ScienceAlert | Physicists Find a Mathematical Limit to Making Time Run Backward | [Source Link](https://news.google.com/rss/articles/CBMimAFBVV95cUxNdUluT3hRcDViam5qSzVrWmpCZGdxOGR1c2lkSU9qV2RENkZkV09ZYzVGUmg1WkxsWDg2MkwxNGVHZWpUZUprREc1ZldMVmhfa2RaWldicE9xS3MyYUczWFpneHRWTzNWOEc0dUN5VHJuMUxjVGQyWjFNbm9vaDBhb1NGcmlrOU1ZTlNxWlkxbUNBZmFhOFZqMg?oc=5) |

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*Canonical Source: https://pulse.byoaiapps.com/trend/2026-11-14/physicists-find-a-mathematical-limit-to-making-time-run-backward*