Credit: Edward H. Adelson Take a look at the square on the left side of the photo above. Does the color of tile A appear darker than the color of tile B? It turns out that both tiles are the same color. Don’t believe me? Look at the square on the right side to what … Continue reading Seeing Isn’t Always Believing: Exploring Optical Illusions
Sight
Night Vision: It’s All about the Rods
Credit: iStock/Bhupi Have you ever wondered how you can see at night? Or why the same picture looks different in the dark versus daylight? It has to do with a type of photoreceptor in your eyes called “rods.” Your eyes have different types of receptors that let you see light. Each type is responsible for … Continue reading Night Vision: It’s All about the Rods
Spotlight On: Vision
Credit: iStock If you’re reading this article, you can thank the crafty and tireless work of evolution. While we may take vision for granted as a simple and straightforward process, how we see is not so simple at all. How we see While the evolution of sight—from a primitive eyespot that could only discriminate between … Continue reading Spotlight On: Vision