when i'm in a dark room, for instance, and i need to throw a pop can into the recycling with the minimum of effort, i use a trick i learned as a kid trying to chase down my black dog in dark suburban forests
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In the dark our peripheral vision is much sharper than direct vision. I do that at night when I have to pinpoint an object but can't see it by looking at it directly. I wonder why this is.
rods n' cones!iamdoingthatAugust 25 2007, 05:50:56 UTC
... they're in your retina. the cones are mostly in the center-most bit (called the fovea centralis) and they let you see color. but rods are better at seeing in general because they are more sensitive.
the trick works because you're positioning your target just below the center of your field of vision, and since the rods are outside of the center of the eye, they're what you're using to see the recycling bin/dog in dim light.
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the trick works because you're positioning your target just below the center of your field of vision, and since the rods are outside of the center of the eye, they're what you're using to see the recycling bin/dog in dim light.
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