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Light Beam Defies Conventional Physics in Quantum Fluid Experiment

Just now September 22, 2026 1 min read 📰 Phys.org
📋 Key Takeaway

The article discusses a scientific discovery where light beams can move against a quantum fluid, challenging conventional physics principles. This research does not directly involve Iran but reflects advancements in quantum physics that could have implications for technology and scientific collaboration in the region. Understanding such phenomena may influence Iran's scientific community and technological development.

Just as a leaf drifts along with a stream, objects in other moving fluids normally drift along with the flow. That is, unless they exert energy to move against it. Although it may be less intuitive, light waves or photons work similarly. To move against a stream of light, an object or particle, like a photon, must either have an external force acting on it or actively use energy to move upstream.

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