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: 10 mind-bending optical illusions


Harvey Specter
07-23-2010, 04:56 AM
http://l.yimg.com/a/i/us/ga/buzz/feature/vg28/optical-illusion-kitty.gif

A variation on a classic illusion, this cat can be perceived as rotating in either direction. With practice, you can make it switch at will!

http://l.yimg.com/a/i/us/ga/buzz/feature/vg28/warp_1_moi_590_logo.jpg

More bang for your buck! This three-in-one illusion includes a false spiral, an impossible Escher-esque structure, and what appears to be a seriously warped floor...

Answer:

http://l.yimg.com/a/i/us/ga/buzz/feature/vg28/warp_2_moi_590_logo.jpg

With the black and white squares removed from the tiles, we see that the lines on the floor are perfectly straight.


http://l.yimg.com/a/i/us/ga/buzz/feature/vg27/sinewave_moitag_450.jpg

Can you tell where on this curve the lines are the longest, and where they are the shortest?

Answer:

http://l.yimg.com/a/i/us/ga/buzz/feature/vg27/sinewave_2_moitag_450.jpg

ANSWER: They are all the same length.

http://l.yimg.com/a/i/us/ga/buzz/feature/vg27/circlecenter_1_moitag_560.jpg

Which of these two dots is in the true center of the circle?

Answer:

http://l.yimg.com/a/i/us/ga/buzz/feature/vg27/circlecenter_2_moitag_560.jpg

ANSWER: With the distracting lines out of the way, it's apparent that the green dot is at the center.

http://l.yimg.com/a/i/us/ga/buzz/feature/vg27/checkershadow_1_sb_540.jpg

Which square is a lighter shade, A or B?

Answer:

http://l.yimg.com/a/i/us/ga/buzz/feature/vg27/checkershadow_2_sb_540.jpg

ANSWER: Taken out of context, you can see A and B are the same shade. Our familiarity with light and shadow tricks us into thinking B is "actually" lighter than A.

http://l.yimg.com/a/i/us/ga/buzz/feature/vg28/takonyudoa_logo.jpg

Believe it or not, this image is not animated. The effect persists only in your peripheral vision; if you focus on any one of the spirals, it will stop moving.


http://l.yimg.com/a/i/us/ga/buzz/feature/vg28/tangle_1_moi_590_logo.jpg

Can you unweave this web and find the hidden word within it?

Answer:

http://l.yimg.com/a/i/us/ga/buzz/feature/vg28/tangle_2_moi_450-logo.jpg

ANSWER: A little color-coding helps to reveal the truth.

http://l.yimg.com/a/i/us/ga/buzz/feature/vg27/cornerhouse_1_moi_450.jpg

Are the walls of this house facing outward, or inward?

Answer:

http://l.yimg.com/a/i/us/ga/buzz/feature/vg27/cornerhouse_2_moi_450b.jpg

ANSWER: Depends on how you look at it. If you isolate the top portion of the image, the house appears to be concave, facing inward. Isolate the bottom, and the perspective is reversed.

http://l.yimg.com/a/i/us/ga/buzz/feature/vg27/cars_moitag_580.jpg

Can you tell which of these cars is the largest?

Answer:

http://l.yimg.com/a/i/us/ga/buzz/feature/vg27/cars_2_moitag_580.jpg

Believe it or not, the rightmost car is the largest. Our brain is wired to take perspective into account, hence the common perception that the leftmost car is larger.

http://l.yimg.com/a/i/us/ga/buzz/feature/vg27/parallelline_1_sb_logo.jpg

Here's a simple one. Are these two rows of squares perfectly parallel?

Answer:

http://l.yimg.com/a/i/us/ga/buzz/feature/vg27/parallelline_2_sb_logo.jpg

ANSWER: They are indeed perfectly parallel, which becomes more apparent when the line between them is highlighted.

Drow
07-23-2010, 07:12 AM
i cant see the cat move in the opposite direction

Greenstoner
07-23-2010, 07:17 AM
mind blasting

Mugen EvOlutioN
07-23-2010, 07:24 AM
im dizzy now man

hc529
07-23-2010, 07:50 AM
TriPpppy mind blastttting!
Posted via RS Mobile (http://www.revscene.net/forums/announcement.php?a=228)

hotjoint
07-23-2010, 08:26 AM
cool

johny
07-23-2010, 08:38 AM
the A B square one makes no sense. B is clearly lighter then A.

The_AK
07-23-2010, 08:38 AM
I AM MIND BLOWN
<--- literally

dhari
07-23-2010, 08:56 AM
this is pretty trippy lol

ilvtofu
07-23-2010, 09:23 AM
I think it's might net book but can't see some of the illusions

The cat is probably just my own retardation cause I can't get it to spin the other way unless i flip my netbook upside down :haha:

The one with the red and green dot, theres clearly way more distance to the left of the red dot than the right, but maybe thats cause i'm using my netbook and sitting 10" away LOL

and the escher column thingy just looks like someone put an extra base in front of it, not a real escher that blows your mind, but overall not a bad thread

shenmecar
07-23-2010, 09:32 AM
the cat still rotates counterclockwise for me.

spoon.ek9
07-23-2010, 09:33 AM
not bad! i too couldn't see the cat spinning in the opposite direction. and i agree that the B square was clearly lighter than the A square. those purple/red spirals were pretty trippy too!

underscore
07-23-2010, 09:43 AM
you can test the A and B squares. Thanks to MS Paint, it's easy to see that they are both the same (use colour picker then the brush) and this can be confirmed by using the colour picker then Colours -> Edit Colours -> Define Custom Colours. You'll see that both are:

Hue 160
Sat 0
Lum 113

Red 120
Blue 120
Green 120

TRDood
07-23-2010, 10:12 AM
the cat still rotates counterclockwise for me.

it's going clockwise for me. i can't get it to spin counterclockwise.

Zyzz
07-23-2010, 11:27 AM
for the cat one, try closing your eyes, imagine it spinning the other direction and open it

raygunpk
07-23-2010, 11:39 AM
holy crap the squares illusion

http://a-m-p.gr/media/image/large/EGConsidermymindblown.jpg

sleazyho
07-23-2010, 12:16 PM
I got the cat to go from clockwise to counterclockwise, but now I cant get it to go back to clockwise lol

Not really racist!
07-23-2010, 12:17 PM
cat only moves clockwise :(

insomniac
07-23-2010, 12:20 PM
^my cat moves counter clock wise! LOOL
dang this is trippy!

sleazyho
07-23-2010, 12:22 PM
I concentrated on the tail and then the cat changes direction, pretty trippy shit

iamon
07-23-2010, 12:39 PM
shit im at work and this totally has thrown me off

Mizter
07-23-2010, 01:22 PM
i cant see the cat move in the opposite direction

Try concentrating on the mid-section of the cat. See if that works.

LUUUUUUUU
07-23-2010, 01:37 PM
fuckin cat!!! TURNNNNNNNNN

Gary Oak
07-23-2010, 01:48 PM
JAH you always make a simple most that much more interesting

punkwax
07-23-2010, 02:14 PM
Cat only moves clockwise for me.

Not really racist!
07-23-2010, 02:15 PM
holy fuck

concentrate at the mid section of the cat

its spinning counter clockwise now

Jermyzy
07-23-2010, 02:32 PM
Okay...I can't get the cat to rotate CCW for the life of me!!!

FerrariEnzo
07-23-2010, 02:38 PM
i cant see the cat move in the opposite direction

same..

Kingcong89
07-23-2010, 02:54 PM
MY GOD I've spent hours staring at the balerina and finally got it to spin the other way.
now i have to master the cat. damn.

http://resources0.news.com.au/images/2007/10/09/va1237271192947/Spinning-lady-5693171.gif

this one's easier, you just concentrate on the shadow below it and imagine it going the other way

LUUUUUUUU
07-23-2010, 02:58 PM
^ fackkk i just keep imagining her naked... she wouldnt turn

Kingcong89
07-23-2010, 03:00 PM
^ if you fap she will turn the other way when you're done

raygunpk
07-23-2010, 03:04 PM
can't get her to turn ccw but i can get her to turn me on

DsZ24
07-23-2010, 03:51 PM
Originally the cat was spinning counter clock wise from what i saw. Then I stared at the grey in the background for a few seconds then focused on the cat again and it was spinning clockwise. Trippy stuff