| Cool Cosmos: Offers lessons and activities for infrared light. Also, includes has online tutorials, games and graphic galleries that related to this topic. |
| Fraunhofer Lines: Prominent lines in the spectrum of the sun are shown, together with their corresponding wavelengths. |
| History of Optics: Timeline of optics-related historical moments. |
| How Stuff Works: Light: Seven-segment detailed explanation uses drawings and animations to show how light works and how photons are generated, with many related links. |
| Moiré Phenomenon: A book and a downloadable moire demonstration kit for printing on transparencies. |
| Molecular Expressions: Images from the Microscope: Features hundreds of photomicrographs (photographs through the microscope) of everything from superconductors and high-tech materials to ice cream and beer. Also includes tutorials about microscopy and optics. |
| Nanoptics, Inc., Fiberoptic Tutorial: History, theory and use of fiber optics. |
| Oatmeal Box Pinhole Photography: Photo gallery plus directions to make a pinhole camera, take pictures and develop them. Also, links to other pinhole camera sites. |
| Optical Fibres Project: How optical fibers work, and information on reflection, refraction, Snell's Law, total internal reflection and critical angles. |
| Optics Exercises and Tutorial: (Univ of Florida). A sample electronic lecture or worksheet. |
| Optics for Kids: An overview of the basics of optics suitable for elementary school children. Also discusses careers in science and engineering. |
| Polarized Light: Fascinating facts about polarized light, from rainbows to beetles, from viking navigation to LCD displays. Myths and truth about polarized sunglasses. Also a shop with polarized-only items. |
| Reflections In Choppy Water: Why does light reflecting off a lake or ocean appear to be "smeared" into a long strip?. |
| Scanning Electron Microscopy (SEM): Learn about the scanning electron microscope and its uses. |
| The Speed of Light: Describes how the speed of light was measured. Includes curriculum-based science quizzes about light for K-12 (grades 4 to 7) students. |
| Tux Teaches Photonics: A collection of information, lessons and quizzes about photonics, taught by Tux. |
| WebTOP: A 3D interactive computer graphics system that instructors can use to help teach optics, and that students can use to simulate and visualize optical phenomena to help them learn about optics. |