Surprising perceptual illusions

Discussion in 'Science and Technology' started by Slope Trader, Nov 6, 2022.

  1. I saw the curved lines just outside of whatever central area I was looking at, but they went away every time I tried to center my focus on them.

    Apparently some people don't see the curved lines in their peripheral vision, though, based on the comments posted underneath the image.

     
    #41     Jun 18, 2023
  2. The van Gogh illusion is a classic...


     
    #42     Jul 16, 2023
  3. It's remarkable how good these types of illusions have become...

     
    #43     Jul 16, 2023
    RantaMin likes this.
  4. It is an illusion (misconception) to believe a plant that appears stationary while we're looking at it is actually unmoving for most of the day... they really move, even when there is no wind.

     
    #44     Jul 16, 2023
    Sprout likes this.
  5. Much admiration for the artist who created this.

    Btw, Figen on Twitter (X) is a great follow... she finds remarkable pictures and videos.


     
    #45     Aug 19, 2023
  6. Is this really true...

    I only hear one of the words no matter what I look at. It's the one whose number of syllables seems most consistent with the sound.

     
    #46     Aug 19, 2023
  7. This is another presentation challenging our understanding of just how big things really are...

     
    #47     Aug 19, 2023
  8. And this one goes the other way... how small can small get?

     
    #48     Aug 19, 2023
  9. ph1l

    ph1l

    A lot smaller. Here is an interactive site that lets you check among the largest and smallest objects in the known universe.
    https://scaleofuniverse.com/en
     
    #49     Aug 19, 2023
    Slope Trader likes this.
  10. Overnight

    Overnight

    No matter how much I stare at brainstorm, all I hear is green needle. Because what is playing in the audio is green needle.
     
    #50     Aug 19, 2023