Why doesn't it get dark for us when we blink?
So we all blink a little every 5 seconds, but it remains light outside. But every time we blink, it should get dark for 1/100 of a second.
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The brain just dazzles the dark phase, I guess. As much as you do not notice when the eye moves when the head remains silent. We only see it really sharp in the center of the retina and if we were to perceive the eye movement, the picture would have to blur/wish. But this is simply ignored by the brain.
https://www.youtube.com/watch?v=IT_iaZr96wY
(approx. 6:30)
Intelligent brain because it only conveys necessary
Our eyes are not light sources that illuminate the world.
It will. You don't know. A hundredth of a second is quite short. Just if you don't understand…
The light receptors of our eyes react to light with a chemical reaction. It takes time. You need another time to chemically remove these products. The signal line to the brain also needs time. Our brain cannot wait any time, but generates fake information to compensate for missing signals.
Yeah, about as short as the bite of a crocodile. But you see it as a human being.
Yes, of course, you can see if you focus on it. What are you going to do? You'll remember when you blink.
Even if you close your eyes for (essentially) longer than for blinking, it is not completely dark. For this, the eyelids still leave "too much" light.
Dark but as daylight in rain or fog
This is too short to notice it
When is it long enough that we notice it or that it registers our brain?
This doesn't make any sense our eyes are no light sources 🤦🏼 ♀️