04-24-2018, 08:45 PM | #31 |
President and EIC
Join Date: Jul 2004
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Re: Human-octopus barter
Maybe they would like puzzles?
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04-24-2018, 09:10 PM | #32 |
Untagged
Join Date: Oct 2004
Location: Forest Grove, Beaverton, Oregon
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Re: Human-octopus barter
Finally, a way to dump all those warehouses full of Rubik's Cubes.
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04-26-2018, 05:01 AM | #33 |
Join Date: Nov 2004
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Re: Human-octopus barter
Probably they would, yeah; and something like a warehouse full of rubiks cubes would last near forever.
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04-26-2018, 12:34 PM | #34 |
Untagged
Join Date: Oct 2004
Location: Forest Grove, Beaverton, Oregon
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Re: Human-octopus barter
They would be a much higher difficulty from them though seeing as how most octopuses are colorblind. Ha.
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04-26-2018, 12:40 PM | #35 |
GURPS FAQ Keeper
Join Date: Mar 2006
Location: Kyïv, Ukraine
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Re: Human-octopus barter
It seems that while octopodes lack colour-sensitive photoreceptor differentiation, they manage to distinguish colours using a purely 'software' method (analysing the difference in diffraction/blurring between different wavelengths). (One would expect them to have some way of distinguishing colours to enable their top-tier chameleonic abilities.)
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04-26-2018, 02:02 PM | #36 |
Untagged
Join Date: Oct 2004
Location: Forest Grove, Beaverton, Oregon
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Re: Human-octopus barter
I vaguely remember seeing experiments where their inability became evident. They use color density to "guess", but using colors that are obvious to us but similar to them caused them to unintentionally create very clashing "camouflage".
I don't know if colorblind people could make out classic Rubik's Cubes.
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04-26-2018, 07:26 PM | #37 | |
Join Date: Nov 2004
Location: The plutonium rich regions of Washington State
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Re: Human-octopus barter
Quote:
https://gizmodo.com/octopus-eyes-are...ned-1783195433 Luke |
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04-27-2018, 11:43 AM | #38 |
Join Date: Feb 2005
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Re: Human-octopus barter
I have to say that one of my favorite aspects of these forums is the rabbit holes of knowledge we find to explore.
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04-29-2018, 02:36 AM | #39 |
Join Date: May 2010
Location: Alsea, OR
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Re: Human-octopus barter
There's a video from PBS on Youtube (SciShow, IIRC) talking about how they can use light aberration to fake color vision with only one receptor set, thanks to the oddly shaped pupils. It doesn't provide color in all dimensions, tho'...
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04-29-2018, 02:51 AM | #40 |
Untagged
Join Date: Oct 2004
Location: Forest Grove, Beaverton, Oregon
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Re: Human-octopus barter
That was what lwcamp's link was about.
Though that link said it was an as yet not fully proven theory.
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