Can You Solve These Visual Brain Teasers?

Click For Summary

Discussion Overview

This thread explores visual brain teasers and optical illusions, inviting participants to share and validate various puzzles that involve visual elements. The discussion includes personal experiences with specific illusions and the nature of perception in relation to color and shape.

Discussion Character

  • Exploratory, Conceptual clarification, Debate/contested

Main Points Raised

  • One participant expresses a desire for more visual brain teasers on the forum and suggests that moderators validate image postings.
  • Another participant shares specific examples of visual illusions, claiming that certain tiles and colors are the same and providing methods to verify these claims using software like MS Paint.
  • A different participant confirms the effectiveness of the shared illusions, indicating they were initially skeptical but found them convincing upon checking.
  • Concerns are raised about the quality of images, with one participant noting that the spiral image is lossy, which affects color consistency and perception.
  • One participant replaces the original spiral image with a cleaner version to enhance the discussion.
  • A video summary of the illusions is shared, adding a multimedia element to the discussion.

Areas of Agreement / Disagreement

Participants generally agree on the intriguing nature of visual illusions, but there are differing views regarding the quality of images and the effects of lossy compression on perception. The discussion remains open-ended with no consensus on the best examples or methods for validation.

Contextual Notes

Some claims rely on specific software tools for verification, and the discussion does not resolve the implications of lossy image formats on visual perception.

Werg22
Messages
1,431
Reaction score
1
I so happen to like visual brain teasers. There's a lack, not to say a total absence, of these on this forum and I thought it'd be a good idea to start this thread so to undo the injustice. I was thinking maybe we could have some mods readily check this thread to validate image postings. That said, all kinds of puzzles, provided they have visual elements, would be welcomed.
 
Physics news on Phys.org
Here are a few that always amaze me.
Pic 1: The "tile A and B are the EXACT same shade" one really gets me. Proof: use MS Paint (or similar) to copy/paste one tile onto the other. They are the exact same shade.
Pic 2: The table tops are the EXACT same size/shape. Proof: trace one out on a piece of paper held up to your monitor. Then rotate it to cover the other one. They are exactly the same.
Pic 3:The "blue" and "green" are actually the same color. Proof: use MS Paint (or similar) to "pick color" and draw on the other color. They are the exact same color. (you might have to zoom in some).
I guess these are not really puzzles, more like illusions. They still seemed fitting for this thread because they are "puzzling" to me.
 

Attachments

  • A and B are the EXACT same shade.JPG
    A and B are the EXACT same shade.JPG
    17.5 KB · Views: 887
  • Table_Illusion2.jpg
    Table_Illusion2.jpg
    9.2 KB · Views: 777
  • monspiral.JPG
    monspiral.JPG
    73.7 KB · Views: 1,029
Last edited:
Wow IMP, I checked all of them! Didnt believe them at first. Good ones!
 
The spiral image is lossy. As a result, the pixels in the green areas are not all the same color. When you pick the color, what you get depends on where you click. Here is page with several optical illusions including a non-lossy version of the spiral. The effect is much better.
Optical Illusions
 
Jimmy, I replaced the spiral with a cleaner one.
 
That's amazing. Here is a video summary of these illusions.

 
Last edited by a moderator:

Similar threads

  • · Replies 3 ·
Replies
3
Views
4K
  • · Replies 9 ·
Replies
9
Views
2K
  • · Replies 10 ·
Replies
10
Views
5K
  • · Replies 6 ·
Replies
6
Views
2K
  • · Replies 5 ·
Replies
5
Views
4K
  • · Replies 2 ·
Replies
2
Views
2K
Replies
7
Views
4K
  • · Replies 14 ·
Replies
14
Views
7K
  • · Replies 18 ·
Replies
18
Views
2K
  • · Replies 8 ·
Replies
8
Views
5K