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+19 +1
Humans see colour differently in the summer
Colour perception changes between seasons with humans seeing yellow as more green in the summertime. By Sarah Knapton.
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+12 +1
What are the limits of human vision?
From spotting galaxies millions of light years away to perceiving invisible colours, Adam Hadhazy explains why your eyes can do incredible things. By Adam Hadhazy.
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+17 +1
How Animals See the World
See through the eyes of cats, birds, fish, and snakes. By Elizabeth Preston.
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+13 +1
This is how computers see porn
A programmer studies how computers detect nudity in images. For science.
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+2 +1
Color Test - Online Color Challenge
1 out of 255 women and 1 out of 12 men have some form of color vision deficiency. Take the online color challenge, based on the Farnsworth Munsell 100 Hue Test.
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+14 +1
What's Up With That: How Squinting Helps You See Better
Recently, I bellied up to a bar waiting for what seemed like an eternity to order my beer. It’s not that the place was busy, in fact the bartender was waiting for me. But I’d forgotten my glasses, so reading the tap list—hung high on the back wall—was slow going, even though it was written in six-inch chalk letters. Just before I made my choice, I caught a glance of myself in the back mirror. I was squinting like a sea captain steering through a gale. With wide open eyes, the list would have...
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+30 +1
Contact lenses with night vision are coming
Night vision technology has been around for a while, but it's only really used by professionals (or professional creeps) due to its prohibitive size.
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+14 +1
Process This Negative With Your Brain
Here's something that'll blow your mind (sorry that it's an ad): stare at the colored dots on this girl's nose for 30 seconds, then quickly look at a white
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