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A comment on Tetrachromats: people who see colors invisible to most of us (2014). Parent comment

Re:Tetrachromats: people who see colors invisible to most of... by wernercd on Sunday November 17, 2019 @10:58AM (#21558454)
https://whatis.techtarget.com/definition/double-blind-test
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Re:Tetrachromats: people who see colors invisible to most of... by Mirioron on Sunday November 17, 2019 @01:48PM (#21559319)
The parent is making a joke.
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Re:Tetrachromats: people who see colors invisible to most of... by elwell on Tuesday November 19, 2019 @10:19AM (#21573707)
Thanks!
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