optical illusion

  1. Trailspotter

    "The Dress" and Color Perception

    [Admin: Thread split from https://www.metabunk.org/threads/debunked-the-sky-was-bluer.494/ ] There is an interesting piece on colour perception on the BBC News site today: Optical illusion: Dress colour debate goes global A debate between family and friends about the colour of a dress for a...
  2. Mick West

    Which Plane is Higher? Optical Illusions in Assessing Relative Altitude

    Which of these two planes is higher? And where are they exactly, relative to each other? Now your first impression might be that it's fairly obviously plane B, on the right. It's visibly smaller than the left plane, so must be farther away, and its contrail is obscured by plane A the left...
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