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A foot race with light


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Bottom line is that "Bose–Einstein condensate is propagation of light through a "medium". Many mediums including water "appear" to slow light down. When light is absorbed in a medium, it takes time to re-emit. Bose–Einstein medium is unique for a few reasons. Best explained in a couple very short videos here:



If you can run faster than 38mph/ 17 meters per second, you could win the race with light in a Bose-Einstein condensate. Keep in mind it is the stopping then re-starting that is "slowing" the light down.



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