PITTSBURGH (KDKA) - Seeing is believing...Most of the time. In the past, we have shown you some illusions, and we have another illusion that will really trick your eyes! To get started, we are going ...
The bar in the middle of this figure is all one grey level, but it appears lighter on the left and darker on the right due to the gradient in the background. This is called simultaneous contrast, ...
Results that may be inaccessible to you are currently showing.
Hide inaccessible results
Feedback