This website, from HowStuffWorks, explores the nature of light. It discusses the history of scientific understanding of light, including the work of Albert Einstein, and delves into the properties of light, such as absorption, reflection, refraction, and diffraction. It also touches on the surprising fact that light can be slowed down. 


How Light Works

This website from NASA's Science Mission Directorate provides information about visible light, its properties, and its applications in scientific research. It explains the visible light spectrum, how it relates to the color and temperature of objects, and how scientists use it to study the Sun, stars, and other celestial bodies. The website also discusses the use of visible light in active remote sensing, specifically laser altimetry. 
