Is the hand-print embossed or extruded (Convex or Concave)? I would like to know how you see it, so please place your opinion in comments, below. Thanks! As a kid I always found optical illusions to be fascinating. Do you know how this effect works?
(2 votes)
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haha i can see both. If you move your head to the left edge of your screen and look at the hand. Imagine the dark parts are sticking out and viola!
And an even funnier point – it seems that the majority of the people here don’t know the difference between concave or convex or extruded or embossed. *shakes head and laughs*
Okay listen people as was previously said it can only be extruded (concave) (into the sand) because of the direction of the light shadow on the other bumps and textures in the picture. Look very carefully at the right side textures in the sand and apply the same light direction to the image in question and you can see the sources of light don’t match, as the bumps were not a part of the illusion but merely there already they would show the truth shadowing. I don’t normally post on the net never can be bothered but looking at all your comments compelled me to comment.
I’m right I’m a Leo.
Thanks Benjamin
yes, you can definetly tell that it is concave. still a neat illusion but if you look at the wrist then it is easily defined as concave. also you can see the shadow at the hand part.
it is concave beacause of the wrist part at the bottom, and you can also tell because there is seashells beside the hand print and it looks like it’s on the beach.
this happens cause ur used to seeing light from the top
i think that it is both. it is engraved around the edge and embossed in the middle.
It is a simple light direction illusion. It fucuses on where your normal point of reference is. the image is an imprint of a hand. to see that spin the image 180 degrees so the light source is coming from the opposite direction. here you will see the imprint. its the same with any photograph. try it your self at home make an imprint have a fixed light source, take a photo then look at it upright it will look inverted, turn it upside down and it will look like it is raised
at first it looks like it’s protruding out of the sand, but then you look again and realize how it’s done: it really IS an imprint.
GREAT trick of the light, though.
I think some of the people leaving comments here don’t know the difference between convex and concave.
It appears to be in da sand at first… but as you look at da other grooves in da sand their shadows are going da opposite way. but it could also be a photoshopped pic or it is a cleverly done imprint…..
my compliments to the creator!!!:)
p.s………….
LOVE THIS SITE!!!!1!!!111!!!!!!!
P.P.S…. i hav this reali cool illusion but i don’t know how to send it!!!! :( plz plz plz can u say it in some way????? and i’m telling u if u accept it its NOT PHOTOSHOPPED!!!!!!!!!!!
This is concave. Look at the shadows of the rocks on the right. The shadows are on teh right. But if the hand was convex, why are it’s shadows on the left? It’s concave.
There is no way to tell. Although it is a bit more ikely that it is a hill.
To the right you see what appears to be either small craters OR small hills.
It is likely that they are craters therefore if their shadows are on the right the sun is on the right.
The shadows on the hand are to the left so it must be a hill.
CONCAVE
neat too.
My thoughts are that this was mapped to purposely appear like this. It is technically impossible to sole the answer. My opinion is that it is beveled into the sand because of how the lighting works with the “dry” material. It is most likely concrete sand. Or photoshop?
There is something odd about the shadows in this image, which make it difficult to determine whether the hand is convex or concave. The most recognizable shadow on the right is that of a stick. There, the light source is obviously to the left. The same is true of all the pebbles on the far right. If we interpret the entire image by these shadows, then the hand is concave.
However, all pebbles left of the right-side line of the palm have shadows on the left, which means the light source is to the right. If these shadows indicate the correct direction of the light, then the hand is convex.
I’m guessing there is some digital trickery here. That is, it appears to me that two photos were taken, the light source for each placed in opposing directions. And the two images have been spliced together. There is no natural way to accomplish this image.
thisis so wierd at first i saw it convex but the suddenly i saw it concave and now no matter hard i try i can’t see it as convex again help am i going mad
emboss, because who would have the time to dig a large hand print in the sand? :)
At first it looked concave then i looked at it again and it looked convex and now i cant make it look concave again
Its an imprint, ie the hand is pressed into the wet sand.
My friend took a photo of his footprints on the beach a few years back and got exactly the same result as this. As you looked at the set of footprints you could not work out whether it was impressed or pushed out of the sand.
It is all to do with the angle and direction of the sunlight, but they look great.
Actually, you are all wrong! I’ve found the other picture of this on google images! It shows from a different angle that it is most deffinately convex. Really good illusion though! I love these!
It can’t be sticking up, there would be a shadow! Besides, the wrist and index finger just SCREAM missing sand.
It poping out
It Poping out I love this site
im guessing but they pushed their hands in the sand and then carved around it to make it look like it was convex. Again, just a guess.
strange. very strange
Convex
convex. the reason it looks concave is because photo is upside down which makes the shading look like the opposite of what it actually is
i can see both too…i could only firs see it as a covex, but then if you can imagine in your mind the way shadows work then you’ll be able to work out the cocave as well…i think this is meant to be a concave for obvious reason….you can do an imprint of a hand on sand that’s a convex…..