Electromagnetic waves and interference

Light can seem mysterious. What is light made out of? What causes color? How do 3D movies work? Learn about some of the mysterious properties of light in these tutorials.
See how you score on these 6 practice questions

In these videos and articles you'll learn about the different categories of the electromagnetic spectrum; radio waves, microwaves, infrared, visible, ultraviolet, x-ray, and gamma ray. You'll also learn what it means for light to be polarized, and how polarized light can allow for the creation of 3D movies.

In these videos and articles you'll learn how overlapping light waves can cause constructive and destructive interference. Some examples of light interference that will be discussed include Young's double slit interference, single slit interference, and thin film interference.