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why gently when you can shake furiously
Vigorously!
With gusto!
Like it owes me money!And ofc, just so that the clap if it’s asschecks will alert all the guards.
Stupid question: does this still work as intended when the image isn’t backlit?
Say, for example, if someone wanted to print this out on stickers and slap the ass on things which aren’t stationary, would the illusion still work?
I’m asking… for a friend.
Backlit is important because the image needs to visually bleed somewhere, that’s how it “moves”
Stupid sexy Flanders.
Oh good. It doesn’t actually go anywhere.
Front, back, and side to side
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How does this even work?
From my experience, it works something like this:
The butt is pretty dark, so you’re brain takes a little more time to make a coherent image out of it (think of it like averaging what you see over a short time). This is amplified by the fact that while the center of your eye is better at seeing color, it’s worse at seeing in the dark.
So essentially you’re tracking the butt (blue: worst color vision when dark) with the center of your eye (slow) which isn’t seeing the movement of your phone (yet) while you see the white move immediately because it’s brighter and not in the center. Normally you wouldn’t notice the difference in speed, but when both effects are combined it is large enough to notice. It also works best in a dark room with the screen brightness on low, probably.
TLDR: you see slow when dark and blue and center
Gonna be honest here, I can get the same effect from shaking my head looking at my monitor.
