The electromagnetic spectrum includes all forms of light energy, known as electromagnetic radiation. (1) Different types of electromagnetic radiation such as radio waves, microwaves, visible light, ...

Does light behave more like a particle, or like a wave? Today we know the surprising answer. Here's why it took so long to ...

Solar radiation, or energy released by the sun in the form of light waves, may also expose passengers and crew ... the northern lights across northern Canada and Alaska and the view line—marking a ...

Unlike a sound waves, light waves do not need a medium ... Light travels in a straight line. When drawing a light ray: Use a ruler and a sharp pencil to draw a straight line.