Where does light come from? How is light produced? - Quora

What makes light visible? - Quora

Why does the beam of a flashlight fade out after a few feet when light travels much farther? - Quora

Can visible light heat objects? - Quora

Does the excitation of an electron cause light to be emitted? - Quora

Should I buy white light bulbs or yellow light bulbs for my home? - Quora

What is light, and why is it important in photography? - Quora

What is the evolutionary advantage (if any) of the retina having light come in from the 'reverse' side of the sensory cells? - Quora

How can a medium change the speed of light? What is light made of? - Quora

How does light get absorbed by different objects? - Quora

Does light from any source have the same speed? - Quora

Why does it take 20,000 years for light to reach the surface of the Sun from its core, but just 8 minutes to reach the surface of the Earth? - Quora

Does light travel forever or does it eventually fade? - The Curious Crew - Quora

In a diagram of light and color where would black be? - Quora

Does the sun's light come from the center of the sun, or from all parts of it? - Quora

What is visible light, and how much of the spectrum does it cover compared to the others? - Quora