Show Notes
Physicists have observed a beam of light apparently “swimming” upstream through an optical fluid, challenging our usual intuition about action and reaction.
Using a nonlinear crystal, researchers created non-reciprocal interactions that allow light to reshape its environment and push itself against the flow. The experiment could provide new insights into active quantum systems and eventually inspire self-propelling quantum devices.
This episode includes AI-generated content.
More from The Quark Side - Quantum Physics Podcast
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