This one is for you builders out there. Can this structure be built?
This is a pretty cool illusion. All the figures are actually the same size.
Once again, these lines are straight as an arrow.
KST can only see about 14 cubes.
Another geometry optical illusion. This is an impossible triangle - Part 2.
Focus on the middlle and you shall see the circles start to move.
Did you study geometry in High School? How is this possible?
The square in the middle appears to be curved but its perfectly straight.
Can you tell us what vertical line is longer? Post your answer in our comments.
I bet you get this one wrong!