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A comment on Photons cooled down to room temperature, made into a blob of matter. Parent comment

Re:Photons cooled down to room temperature, made into a blob... by iwr on Wednesday November 24, 2010 @06:15PM (#1938812)
Still, I don't see how the photons would be travelling at different velocities in the same medium.
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Re:Photons cooled down to room temperature, made into a blob... by harshpotatoes on Wednesday November 24, 2010 @06:42PM (#1938868)
They are all moving at the same speed, yes. They are moving in different directions, meaning they have different velocities, but the components of that vector will add up to c.
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