A Visual Illusion is a type of puzzle, which required different analytical thinking approach to solve these types of puzzles.
The second assessment is the Perceived Depth Test, which takes it a step further. Leave the first ball in place, and hold a second ball in your dominant hand with your arm extended. The goal is to ...
Driving with poor eyesight or an untreated eye condition can be deadly. Currently, drivers are expected to self-report any ...