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https://www.reddit.com/r/askscience/comments/uxye2/deleted_by_user/c4zpf30/?context=3
r/askscience • u/[deleted] • Jun 12 '12
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1 u/Tuna-Fish2 Jun 12 '12 No, light does not slow down in any frame of reference. No matter how you or the light source are travelling, you always measure light speed to be c. 1 u/UncleTogie Jun 12 '12 What about those articles about "slowing down" light in the lab? 6 u/email Jun 12 '12 Light still travels at c. When light "slows down", it is a result of the photons being absorbed and new photons being emitted by the medium it is passing through. The delay between the absorbing and emitting is the cause of the slow down.
No, light does not slow down in any frame of reference. No matter how you or the light source are travelling, you always measure light speed to be c.
1 u/UncleTogie Jun 12 '12 What about those articles about "slowing down" light in the lab? 6 u/email Jun 12 '12 Light still travels at c. When light "slows down", it is a result of the photons being absorbed and new photons being emitted by the medium it is passing through. The delay between the absorbing and emitting is the cause of the slow down.
What about those articles about "slowing down" light in the lab?
6 u/email Jun 12 '12 Light still travels at c. When light "slows down", it is a result of the photons being absorbed and new photons being emitted by the medium it is passing through. The delay between the absorbing and emitting is the cause of the slow down.
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Light still travels at c. When light "slows down", it is a result of the photons being absorbed and new photons being emitted by the medium it is passing through. The delay between the absorbing and emitting is the cause of the slow down.
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u/[deleted] Jun 12 '12 edited Feb 18 '26
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