Examine different light sources, such as LED versus fluorescent bulbs, and compare what you see. Be sure to never look directly into the sun, even with your glasses, as the light can damage your eyes.

No doubt most of us have heard that black and other dark objects are more absorbant and white and light objects are more reflective, but let’s start out by clarifying just what’s being ...

Why do football players wear black stripes under their eyes? It's a phenomenon called "eye black." Natural skin absorbs some light, but reflects the rest. This reflection can cause glare and ...