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All of these looked right side up from the get-go. I've tried to look at it a few different ways to trick my eyes into seeing them as upside down, but I can't make it work.
If I look at the top center first they are always upside down.
What do you see here? Stare at the cross in the center. This is not the same of course, but apparently works with similar parts of the brain.
I posted this previously because I find these interesting. There is no green in this image. The illusion is called the Lilac Chaser
There is no green in this image.
I never see any green >v< pretty sure I did last time I saw it tho, but now I just see the purple circles slowly fading away, maybe cuz Im on a different screen now
I see a circle of pink dots with a void traveling clockwise
huh I just see all the circles fading away slowly at the same time
I don't think that's how it's supposed to display, they disappear instantly in sequence for me
I see green though... I guess it's because green is the opposite of magenta? So lack of magenta = green to my brain apparently
The chaser effect results from the phi phenomenon illusion, combined with an afterimage effect in which an opposite color, or complementary color – green – appears when each lilac spot disappears (if the discs were blue, one would see yellow), and Troxler's fading of the lilac discs.
At the small scale of this comment the illusion is significantly harder to see
You should be able to tap to enlarge, or go to the linked Wikipedia page that has a larger version.
Yea, I can get the right side 3 to look upside down, but the lighting just isnt right at all on the others to make my brain flip them.
I got it by focusing on the left edge of the top rightmost plate
I can almost see it that way when looking at single plates like that one in isolation, but when viewed as a whole I just can't see them all that way.
Viewing it as convex puts it at a weird, almost floating angle relative to the other plates, which my mind tells me cannot be the case if they're all supposed to be laying flat on a table. The camera angle being what it is, I'd expect to be seeing more of the illuminated left half than the shaded right half if it was truly upside down and laying flat. Not to mention the shadow basically touching the embossed oval shape on the right, while the left has a bit of a gap between the oval and the start of the bevel of the plate edge, indicates that the light would be coming from the right rather than the left (because shadows can extend), unless the plate is supposed to be oddly asymmetrical or something.