Still not quite an illusion, but it does make my head spin.
Is this for real?
Is this for real?
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LittleMore 21 years ago
Ok. Found an illusion. It's the same concept as the stupid triangle you kids bicker over.
There are certain 'lines' which are not straight. They have small angles that are very hard to pick out with your eyes. When the pieces are moved around, the space is also moved.
A more simple way to look at the triangle problem is to calculate the slope. Height/width.
Total figure = 5/13= 0.384615384615384615384615384615385
Red triangle = 3/8 = 0.375
Green triangle = 2/5 = 0.4
As you can see, the slopes are all different. The top of the figure in 'before' is angled down. The top of the figure in 'after' is angled up.
There are certain 'lines' which are not straight. They have small angles that are very hard to pick out with your eyes. When the pieces are moved around, the space is also moved.
A more simple way to look at the triangle problem is to calculate the slope. Height/width.
Total figure = 5/13= 0.384615384615384615384615384615385
Red triangle = 3/8 = 0.375
Green triangle = 2/5 = 0.4
As you can see, the slopes are all different. The top of the figure in 'before' is angled down. The top of the figure in 'after' is angled up.
* This post has been modified
: 21 years ago
Veniceguy 21 years ago
I love optical intrusions! If anyone would like to see even more, check out all the various pages and themes on this site http://www.archimedes-lab.org/
miztik 21 years ago
i shall say with a very humble tone, i think i have the best of them all..................
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