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Do you think that's what Jonte meant? I don't. aerocontrols Send a noteboard - 12/05/2019 10:54:40 PM

I think he understands physics better than that. I think a photon with the properties Shrike describes will produce 'green' light independent of the medium through which that photon travels.

Perhaps he knows more than I, though. It's not really my field. Roland's observations about optical illusions aren't really relevant.

If Jonte means something like "Sunlight loses red wavelengths and shifts to blue as you get deeper in the ocean", then that has nothing to do with light itself changing, and instead has to do with the water and particulates filtering out some colors while others continue on. 'Red' and 'Blue' don't change - blue pierces the water better and red is blocked. "What is red" does NOT depend on that medium.

If he means that an observer who is travelling away from the light source at relativistic speeds may see a shift in color, that again has nothing to do with the medium.

Hollywood has the best moral compass, because it has compassion.
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I was involved in a particularly annoying Facebook discussion *NM* damookster - 09/05/2019 08:49:57 PM 218 Views
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Define the color Green. Roland00 - 10/05/2019 05:21:10 PM 426 Views
Wavelength: 495–570 nm; Frequency: ~575–525 THz The Shrike - 10/05/2019 08:44:56 PM 449 Views
Now define Green for a person that does not have a Spectrometer. Roland00 - 10/05/2019 08:50:44 PM 488 Views
Admit your defeat and move on. The Shrike - 10/05/2019 09:40:53 PM 443 Views
*NM* damookster - 12/05/2019 05:47:57 AM 199 Views
In what medium? jh - 12/05/2019 10:33:45 AM 512 Views
huh? aerocontrols - 12/05/2019 02:25:10 PM 449 Views
Remember that God Dammed Dress? Roland00 - 12/05/2019 07:46:39 PM 429 Views
Yeah, I do. *NM* aerocontrols - 12/05/2019 10:41:29 PM 192 Views
Light propagates differently in different mediums, though... fionwe1987 - 12/05/2019 08:10:19 PM 742 Views
Do you think that's what Jonte meant? I don't. aerocontrols - 12/05/2019 10:54:40 PM 454 Views
Optical refraction is caused by different speeds of light in different media Floffe - 14/05/2019 02:15:19 PM 436 Views
Ok then. aerocontrols - 14/05/2019 02:33:48 PM 442 Views
if you look at light with a wavelength of 550 nm in water jh - 19/05/2019 04:49:04 PM 524 Views
Well, jh - 19/05/2019 04:43:57 PM 514 Views
Sick your dogs onto me? Roland00 - 10/05/2019 04:24:00 PM 579 Views
Sic. Not sick. I will not have my dogs vomit on you. That's just nasty. *NM* The Shrike - 10/05/2019 06:48:24 PM 212 Views
I wasn't expecting such a prescriptivist approach from you. Legolas - 10/05/2019 10:06:08 PM 432 Views
We have a mixed economy with elements of both capitalism and socialism. The Shrike - 10/05/2019 02:17:36 PM 460 Views
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