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Meaning of optical black hole | Babel Free

Noun CEFR C1

Definitions

A phenomenon in which slow light is passed through a Bose-Einstein condensate that is itself spinning faster than the local speed of light within to create a vortex capable of trapping the light behind an event horizon, just as a gravitational black hole would.

CEFR level

C1
Advanced
This word is part of the CEFR C1 vocabulary — advanced level.
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