Search found 4 matches

by JohannesWurst
Tue Apr 04, 2017 12:33 am UTC
Forum: Individual XKCD Comic Threads
Topic: 1818: "Rayleigh Scattering"
Replies: 99
Views: 28878

Re: 1818: "Rayleigh Scattering"

If we look at the comic, it's apparent that the latter interpretation is unsustainable. "Air is blue" in the sense of "air appears blue right now" does not make sense when substituted into the comic. It carries no explanatory powers whatsoever. If you look up on a clear day and ...
by JohannesWurst
Mon Apr 03, 2017 2:44 am UTC
Forum: Individual XKCD Comic Threads
Topic: 1818: "Rayleigh Scattering"
Replies: 99
Views: 28878

Re: 1818: "Rayleigh Scattering"

I agree with this, too. So which color is this special ink - is it green, or is it golden red? It should be apparent that you can't say either. And yet, you've made that fallacy with air - you assigned it the color blue, even though it can just as well appear red. What basis is there for picking bl...
by JohannesWurst
Fri Mar 31, 2017 6:16 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 1818: "Rayleigh Scattering"
Replies: 99
Views: 28878

Re: 1818: "Rayleigh Scattering"

I don't think the Rayleigh thing is a good answer to why the sky is blue, at least if the question comes with no context. You should tell someone about Rayleigh scattering, if she/he had a problem that she/he could solve by knowing about it. Hmm... Maybe practical application isn't the only criterio...
by JohannesWurst
Fri Mar 31, 2017 4:16 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 1818: "Rayleigh Scattering"
Replies: 99
Views: 28878

Re: 1818: "Rayleigh Scattering"

Three points I want to make: 1. "Why" questions can always be answered in many ways: For example Arthur Schopenhauer wrote something about the Fourfold Root of the Principle of Sufficient Reason . Aritoteles also distinguished between four causes . I suspect you can find infinitely many co...

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