Levitating glass sphere becomes entangled with light at room temperature
Physicists at the University of Florence have successfully entangled a levitating glass sphere with light at room temperature. This breakthrough suggests that quantum entanglement can be maintained in macroscopic objects without the need for extreme cooling.
Why it matters
This research advances the potential for secure quantum communication networks and provides new methods for testing fundamental laws of physics at larger scales.
edited by Lisa Lock , reviewed by Robert Egan
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Add to Preferred Sources Inducing entanglement between a light field and a levitated nanosphere in an optical trap. Credit: Science (2026). DOI: 10.1126/science.aeh1375 Today, many physicists are actively exploring how light could be used to link objects through quantum entanglement. By fully harnessing the effect, they hope to unlock a wide array of applications, from secure communication networks spanning vast distances to sensitive new tests of the fundamental laws of physics.
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