Rainbows: How They Form & How to See Them (https://www.livescience.com/30235-rainbows-formation-explainer.html): This article covers the scientific reasoning behind rainbows. It mentions how sunlight is a mixture of colors and when it passes through a glass prism, some light is bent more than other portions.
How Do We See Color? (https://www.livescience.com/32559-why-do-we-see-in-color.html): This article covers the how and why we see light the way we see it. When a light hits an object, the object absorbs some of the light and reflects the rest of it. Which wavelengths are reflected or absorbed depending on the properties of the object.
The Role of Light to Sight(https://www.physicsclassroom.com/class/refln/Lesson-1/The-Role-of-Light-to-Sight): The role of light is very crucial to our sight. The visual ability of humans and other animals is the result of the complex interaction of light, eyes, and the brain. Without light, there would be no sight.
How Does 3D Work? (https://www.nasa.gov/mission_pages/stereo/sun/3D_Glasses.html): NASA uncovers how humans use binocular vision to perceive depth and see the world in 3D. The separation of each eye causes each eye to see the world from slightly a different perspective. The brain fuses these views together and uses the differences to understand what the real world is showing.