This site from ScienceWorld provides a short biographical sketch of Augustin Fresnel (1788-1827 CE) and describes his most notable scientific discoveries and contributions. Links are provided throughout for additional information.

This ScienceWorld site provides a short biographical sketch of Christiaan Huygens and describes his most notable scientific discoveries and contributions. Links are provided throughout for additional information as well.

Find out how your eyes work and try an experiment involving a cartoon flip book.

This site from The Florida State University provides an informational page on electromagnetic radiation discusses the characteristics and properties of its many forms including X-rays, gamma rays, ultraviolet radiation, infrared...

Invented decades before it could be used, the first type of electric light was so brilliant it was used for lighthouses and street lamps.

Source of information on the subject of weather photography. There are great links, images and tips on equipment to use. For the intermediate to advanced photographer.

In this full-color image, a neuron is expressing the light-gated cation channel channelrhodopsin-2 (small green shapes), and is being illuminated by a focused beam of blue light (coming from the top).

A PBS site explores color and the effects of seeing lots of colors at the same time. Try it yourself with their home experiment.

Find out whatever you wanted to know about rainbows and how they form. Check out the section on folklore regarding rainbows too.

Students test whether the color of a material affects how much heat it absorbs. Students will place an ice cube in a box made of colored paper (one box per color; white, yellow, red and black), which they will place in the sun. The...

Instructions on how to make a color wheel that spins to produce white. With links to scientific, academic articles that explain what is happening.

This is a ten-question quiz pertaining to spherical mirrors.

Link to nine major physics topics and dig deeper into the content. Find out about the work of scientists in each field and see example physical science experiments.

A series of pages explaining how microscopes work, the parts of a microscopes, the techniques of using a microscope, and other useful information.

Hunkin's Experiments is a group of simple cartoon illustrations of scientific principles. Some would work well in the classroom, but others have little value beyond entertaining students. All of the projects are easy to do and use...

Short descriptions of possible physics demonstrations for illustrating dichroic polarization and the role of Polaroid filters in blocking roadway glare. Suitable as an idea-generator for student projects.

Explore the world of central visual pathways. The visual pathway leads from the eye to the primary visual cortex. There is a detailed visual description of this process. Check it out.