illusions (i LIKE illusions)

edited June 2007 in conversations
this one is from the very fine new blog ColorLovers.

"See a new color you've never seen before!!...Well... at least never before on your monitor. It's a startling example of how poor the green/cyan element is on TVs and monitors generally. The colour you are about to witness is actually true Cyan ... a colour that is heavily diluted on the majority of monitors (thanks to colour pollution)."

***If you don't follow the directions, all you'll see is a little flickery coruscant of the colour*** so ... don't tell me if you cheat, ok? =)

Directions: (paraphrased from the website)
stare at the white dot in the centre of the red circle for 2 minutes.
keep focused on the white dot.

you'll start to see a thin rim of light around the edge. don't stop yet. wait the full 2 minutes, keeping your head still.

THEN.. slowly...move your head backwards . keep your eyes focused on the dot. pause and move back slightly a few times.

glory in that clean glow.

image








this was the winning entry in an illusion contest, and is a nice example of the parallel lines illusion:

"The visual system tends to treat two side-by-side images as if part of the same scene. However hard we try to think of the two photographs of the Leaning Tower as separate, albeit identical images of the same object, our visual system regards them as the ‘Twin Towers of Pisa’, whose perspective can only be interpreted in terms of one tower leaning more than the other."


imageimage
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Comments

  • edited 2:37PM
    I really like the ColorLovers website. Somebody posted it in Baseboard and I visit it a lot.

    The leaning tower illusion is great. I was convinced that the tower to the left had been tilted to the left !

    could be the start of a good thread this.

    We actually branded an office furniture range called Illusion several years ago.

    image

    Not my design for the final logo but Ive got some of my examples somewhere. I'll try and find them
  • edited 2:37PM
    cognitive perception is one of my favourite subjexts!

    cant remeber who carried out the following but...zulus were tested with the same kind of materials as some yanks were tested with
    and the zulus proved to have indifferent perception regarding lines and angles in such illusions as non existent. wheteher this was proved to be genetics or environment cant really remeber although I have my theory that the zuluz having lost enogh wars against the westerners thought "lets fuck these bastards up one way or another." :happy:
    But the experiment and results are true, all true honest!

    vortexual
  • edited 2:37PM
    shit - now i have a well - lit blue circle in front of my eyes and i can't get rid of it
  • edited 2:37PM
    overbyte:shit - now i have a well - lit blue circle in front of my eyes and i can't get rid of it
    HEH!
  • edited 2:37PM
    what made me do the laugh...as soon as i saw the title, i knew this was a thread started by mick...lo and behold~
  • edited 2:37PM
    squapple that square squared is freaking me out!!!
  • edited 2:37PM
    very cool illusions; the leaning towers is a good one... im hungry for more though :tongue:
  • edited 2:37PM
    click on the tower picture, kfconme.

    the icon is nicely done, squappi; it'd be cool to see your examples.

    noted: overbyte complains about the afterglow. :p

    x


    ps... orson.. nice! =)
  • edited 2:37PM
    gaze gif

    regrettably, this anigif is pretty big. give it a second to get going.

    we determined the direction of a person's gaze using a very simple cue: darkness.
  • edited 2:37PM
  • edited 2:37PM
    that's so simple and so wonderful. :)
  • Ve.Ve.
    edited 2:37PM
    mick said...this one is from the very fine new blog ColorLovers.

    "See a new color you've never seen before!!...Well... at least never before on your monitor. It's a startling example of how poor the green/cyan element is on TVs and monitors generally. The colour you are about to witness is actually true Cyan ... a colour that is heavily diluted on the majority of monitors (thanks to colour pollution)."

    ***If you don't follow the directions, all you'll see is a little flickery coruscant of the colour*** so ... don't tell me if you cheat, ok? =)

    Directions: (paraphrased from the website)
    stare at the white dot in the centre of the red circle for 2 minutes.
    keep focused on the white dot.

    you'll start to see a thin rim of light around the edge. don't stop yet. wait the full 2 minutes, keeping your head still.

    THEN.. slowly...move your head backwards . keep your eyes focused on the dot. pause and move back slightly a few times.

    glory in that clean glow.

    image








    this was the winning entry in an illusion contest, and is a nice example of the parallel lines illusion:

    "The visual system tends to treat two side-by-side images as if part of the same scene. However hard we try to think of the two photographs of the Leaning Tower as separate, albeit identical images of the same object, our visual system regards them as the ‘Twin Towers of Pisa’, whose perspective can only be interpreted in terms of one tower leaning more than the other."


    imageimage


    Cooool!
  • edited 2:37PM
    pink dots
    If your eyes follow the movement of the rotating pink dot, the dots will remain only one colour - pink. However if you stare at the black "+" in the center, the moving dot turns to green. Now, concentrate on the black "+" in the center of the picture. After a short period, all the pink dots will slowly disappear, and you will only see only a single green dot rotating. It's amazing how our brain works. There really is no green dot, and the pink ones really don't disappear. Proof enough that we don't always see what we think we see...
  • edited 2:37PM
    wow, that is quite amazing!
  • edited 2:37PM
    That could very well be one of the coolest illusions I have seen!
  • edited 2:37PM
    good stuff!
  • edited October 2008
    i think chris (correct me if i'm wrong) posted this one a while back, maybe on base, still my fav.

    credit where credit is due, (and required).

    http://www.ritsumei.ac.jp/~akitaoka/index-e.html
    lots more there as well.
  • edited 2:37PM
    ^ THAT's the one that helped me understand what astigmatism looks/feels like. ;) i get queasy, and then go back and look again. heh
  • edited 2:37PM
    A little bit of fun here...Check out the slit animation, plus some time wasting games
    http://flashfabrica.com/f_mov_obj/slitAnime/horse.html
  • edited 2:37PM
    :) cool, sinar.

    speaking of slit animation and horses,

    i just ran across " A Parallax Illusion with CSS: The Horse in Motion"

    Resize your browser width (not height) to see the effect.
  • edited 2:37PM
    Nice one mick
    gotta love those illusions...
  • edited 2:37PM
    ~falls over
  • edited 2:37PM
    Count the number of F's in this sentence.

    FINISHED FILES ARE THE RE-
    SULT OF YEARS OF SCIENTIF-
    IC STUDY COMBINED WITH
    THE EXPERIENCE OF YEARS.

    How many?

    Ok, now count them again.

    [hide]Most people will at first count 3, but there are actually 6. Our brains omit the F's in 'OF' because we read so quickly, and see the word as a whole not individual letters.
    FINISHED FILES ARE THE RE-
    SULT OF YEARS OF SCIENTIF-
    IC STUDY COMBINED WITH
    THE EXPERIENCE OF YEARS.[/hide]

    Clever huh?
  • edited October 2008
    Ha, I thought this was a trick, and you only meant the first sentence ("Count the number of F's in this sentence."). Was about to reply that there's only one.

    Then, I realized I had missed the 'f' in 'of', and read your description. Nice. :D
  • edited October 2008
    click the pic
  • Ve.Ve.
    edited 2:37PM
    sweet!
  • edited 2:37PM
    Nice!
    There's an escher pic like that too which is really badass...i will have to find
  • edited 2:37PM
    Red... my eyes crossed! :D excellent.
  • Ve.Ve.
    edited 2:37PM
    I have always loved Escher! Thanks,o!
  • edited 2:37PM
    those recursive pics just fascinate me. :)

    the Droste Effect is making its way into music vids; i heartily approve.
  • edited 2:37PM
    Take a look at the picture, then stand up and go like 7-8 steps away from the monitor and take another look at the picture. The faces change places

  • edited 2:37PM
    that's eerie!

    :) i like it.
  • edited 2:37PM
  • Ve.Ve.
    edited 2:37PM
    :happy::happy::happy:
  • edited 2:37PM
    oh my

    fascinating.

    doubleplus creepy, too! :) zowie
  • edited 2:37PM
    three colours

    there are 3 colours. the blue and the green are the same value.
  • edited 2:37PM
    i forgot to include a closeup.

    3 colours 2

    the RGB colors in both spirals are 0, 255, 150
  • edited 2:37PM
    ack, damn, cool!
  • edited 2:37PM
    there are no bent lines:

    play chess on this!
  • edited 2:37PM
  • edited 2:37PM
    ha!
  • edited 2:37PM
  • edited 2:37PM
    ;) i keep waiting for her to shake something.
  • edited 2:37PM
    not an illusion

  • edited 2:37PM
    usual can be better than any illusion. :) that's striking.
  • edited 2:37PM
  • edited 2:37PM
  • edited 2:37PM
    Love that!
  • edited 2:37PM


    Of course we now know that really the elephants are the same size!
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