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A comment on Why Japan Has Blue Traffic Lights Instead of Green. Parent comment

Re:Why Japan Has Blue Traffic Lights Instead of Green by sporkland on Wednesday October 25, 2023 @10:28AM (#38013178)
Grue is a fascinating concept and it's much more pervasive than Japanese: https://en.m.wikipedia.org/wiki/Blue%E2%80%93green_distincti...

Especially the fact that it tends to impact the speakers ability to perceive shades of the color.

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