Can you tell what’s stuck in this brick wall? Thousands of people have scratched their heads trying out to figure out the object in this optical illusion.
An online video purportedly shows how to cut your chocolate bar in a way that magically produces an extra piece. The video shows a 16-block chocolate bar cut into 6 different geometric shapes, then rearranged so that you get the original dimensions of the original chocolate bar, but you get one block left over.