# Light beam 'swims' upstream through a quantum fluid by violating Newton's third law

> **Open Intelligence Dossier** · First detected: 2026-09-23 22:20 UTC · Category: Science

## Executive Summary
Physicists observe a laser beam moving against a quantum light fluid flow, challenging established physical laws.

## Intelligence Brief
Recent physics coverage details an unusual experiment where a laser beam moves against the flow in an optical analogue of a quantum fluid. According to reports from inkorr.com, ZME Science, UA.NEWS, New Scientist, and Phys.org, physicists have observed this laser beam 'swimming' upstream through a quantum fluid. The reporting highlights that this phenomenon specifically challenges and breaks Newton's third law of motion. Outlets describe the development as a swimmer made of quantum light exhibiting behavior that defies standard expectations of action and reaction. Coverage across the five participating sources strongly emphasizes the mechanics of the optical analogue system used in the observation.


Outlets such as New Scientist and Phys.org detail how the laser beam interacts with the quantum fluid. ZME Science and UA.NEWS frame the experiment around the violation of Newton's third law, while inkorr.com focuses on the observation of the laser beam moving against the quantum light fluid flow. The reporting consistently points to the unusual nature of light acting as a swimmer in this context, though the specific names of the researchers or the exact laboratory locations are not provided in the headlines. Background information within the coverage establishes that this research sits within the study of quantum fluids and optical analogues. While the headlines do not provide exhaustive historical context or prior experimental milestones leading directly to this observation, they establish the current finding as a significant departure from classical mechanics.


Future developments to watch, based strictly on the available coverage, depend on whether further details emerge from the scientific community regarding the implications of this experiment. The coverage does not yet specify subsequent research steps, practical applications, or peer-review timelines. Observers will need to monitor scientific journals and subsequent reporting from outlets like Phys.org and New Scientist to see how the physics community responds to the reported violation of Newton's third law in quantum fluid optical analogues.

## Multi-Source Evidence Table
| Source Outlet | Headline | Verification URL |
|---|---|---|
| inkorr.com | Physicists Observe Laser Beam Moving Against Quantum Light Fluid Flow, Challenging Newton’s Third Law | [Source Link](https://news.google.com/rss/articles/CBMiywFBVV95cUxOTVhhSkJ6djlQbHNiYTNCRGpjQUJXODNlWEtURHlKa3pMMndlMHBiQVNsR3JGMnNHVkJSelFadmJjMTgtTW1XOU10dkhUc0tZemZvOE4zVXZDa3pUWGphTUd1b0ZnRjFCY3NPTkwtcFpERWJjQVRXX0pIUHp2YlpYcGQ5NV9mMGFhQnVLOHplYmRWVTNZMGMwZjROaUlBWlVvMkwxWFBxbDJjZmd2NlJlRExZT1BxeVNhU3NJUGpCcUoyYXNsVS15VVJ0WdIB0AFBVV95cUxOOF9GLVNPXzdiYnNGV0EzcDBOaE9oOHIzVHNhdmN5S3hNYkx5MFR6YURpVzM2UUlpSFY2UWtidDZjVDgxQjFPOG0zbDMwcERZV25NQkc3cjVrQXoyQUpseHhmLVkyakJjQkFTZ18wRkhYRWF3OW1mUzF6YmtJek9ZMDVDc0hGWmR) |
| ZME Science | Physicists Made Light Swim Upstream and Broke Newton’s Third Law | [Source Link](https://news.google.com/rss/articles/CBMiqwFBVV95cUxPa05JS20zQmpxR0h4YWxFY2EybGNUc2R5TjB4eXRvdmpEYkVYOFNJV1U4YndZMlU1Qnh4LXNEVzlJemotUzJOUEJRS015NFpYUllxczVSQUJEWTMyaGVMS3dMWERESURxTnEzZVd4YmdUTkFwS01ZS3JsWmI3VGNiQnh4Ny1jdzNSb1hmcDdtNENRbENaeFU2TExTdC1qSDFCYWlMeEJ1THBLX1E?oc=5) |
| UA.NEWS | Laser beam moved against the flow in an optical analogue of a quantum fluid — Phys.org | [Source Link](https://news.google.com/rss/articles/CBMiugFBVV95cUxNbDFFSFJVMDBoODUzOGhaVGpHaVlOZGMyelBMX0dLOV9CMkw1c3JvZ2VxT3JfUW9nNTVScjU3ZXZDRTlEcmxkajJPUDNZdWVtV0tsd0RMdTd6d3B4eFlBbm5ya1JuSUdmZEZfcllwd0h5TF9aUHZvM1dJVE9rMUZjSXZYWUo1Nnc5YkVvYjUwVEFVUWN0UkEwZmNKeGxQQ2JUUTZZNmh3R0g2dl81el9RSnBDSmFTUHVhdFE?oc=5) |
| New Scientist | Swimmer made of quantum light breaks Newton’s third law | [Source Link](https://news.google.com/rss/articles/CBMiogFBVV95cUxQbXlCdGpxVDhzdV84d2lDZzFsLU1XbHdOV192TWYxalF1bUNsdHRlY3Vrb2xQTFJVZ1I0M1BQRVRraUtEbm82cDJaZHVHQWZETnQ3cmFtWVZUV0w3ZTlSRk94bHp3QndVX2dEZEk3LWwzWXNRNGxPUm1QU3FrN2lZZjA0RVRDMURkUWpwa2ZJR2lvNS1ldDBYWmcxaWVlaUFFX2c?oc=5) |
| Phys.org | Light beam 'swims' upstream through a quantum fluid by violating Newton's third law | [Source Link](https://news.google.com/rss/articles/CBMif0FVX3lxTE9tTzFpdnhlOVhwS09maWVJeGV0cFN1ai14c1MwVjRjbzdsWnNoRGMzWmZfcHl6ZGZOUW85LS1kOVEtaEZtRHV0clVPbEJuT3A4UnRpWkJ5NGp1VjVIQ01nRzdMTEx0V252Wm91LUF5QndQUTlxQUNuNDNsd2JuUWs?oc=5) |

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*Canonical Source: https://pulse.byoviral.com/trend/2026-09-23/light-beam-swims-upstream-through-a-quantum-fluid-by-violating-newton-s-third*