Are the two vertical lines in this image the same length?
Or is one bigger than the other? Can you figure it out?
Think you know the answer?
To see the answer to this optical illusion, click to expand the accordion below.
As surprising as it may seem, the two vertical lines in this image are the same size.
It’s true, take a ruler out and measure both to verify.
They only seem to be different lengths because of the optical illusion made by the inward and outward angles at the top of each vertical line.
Can you see it better now that you know?
Need a hint?
If you need a hint, click to expand the accordion below.
Do you think the inward and outward angles at the top are doing anything to make the lines seem different sizes?
