This site discusses the different uses for lasers in medicine. It provides specific details on the uses of lasers in treating cancer. Also contains links to definitions of many of the terms used througout the site.

NASA resource explores what a laser is as well as how it works. Animations are provided that offer excellent examples of how different light travels.

Learn about absorption and emission by creating a laser. Pump the chamber with a photon beam, and manipulate the energy states of the laser's atoms to control its output.

Create a laser by pumping the chamber with a photon beam. Manage the energy states of the laser's atoms to control its output.

Kansas State University site explaining all aspects of LASERS. The site is set up as an online book with clickable chapters.

Students research particular types of lasers and find examples of how they are used in technology today. Teams present their findings by means of PowerPoint presentations, videos or brochures. The class takes notes on the presentations...

Through two classroom demos, students are introduced to the basic properties of lasers through various mediums. In the Making an Electric Pickle demonstration, students see how cellular tissue is able to conduct electricity, and how this...

Follow the development of the laser from its earliest times to its many present day uses and forms.

An informative document about laser printers. Includes communication, operation, and illustration.

In this video from the Encyclopedia of Physics Demonstrations, students will observe how a laser beam is trapped in a water jet because the light reflects against the surface of the water. [1:03]

Think it takes expensive, sophisticated equipment to measure the speed of light? Think again. Outfit yourself with a simple handheld laser pointer, a protractor, and Jell-O, and you're ready to get started.

You've probably noticed the colorful patterns "reflecting" from the shiny surface of a CD disk. What you are seeing is actually diffraction of white light, and the rainbows of color are diffraction patterns. In this project you'll learn...

This is a site which explains the inner workings of Lasers. The site is detailed in its explanations but is easily understood at the junior and senior high school level.

If you want to know how atoms and photons work together to make lasers this site has great explanations. There are interactive applets to help you really understand the concepts!

Basic information explaining what laser lights are.

X-ray lasers are produced by electron beams and are extremely intense,. They have important applications in particle physics. "Explain It In 60 Seconds" is an article series that aims to summarize in a few paragraphs the meaning of...

Flip over this interactive OLogy card to find fast facts, questions and answers, and similar bite-size pieces of information about the properties and uses of lasers.

Several demonstrations shown in a video lecture format, illustrate the theory and applications of lasers and optics.

Information is provided about laser surgery, which is used to correct vision problems and eliminate the need for glasses or contacts.

A video lecture series illustrating the fundamentals of laseroptics. Topics include the physical interpretation of laser and fiberoptic phenomena and their applications.

View a total internal reflection by using gelatin and a laser with this activity.

What is a laser? Illustrated discussion of lasers includes how they work and how they are used.

Learners investigate lasers and fiber optics in the 20th century. Some topics explored are working lasers, optical fiber, and the gossamer web. The resource includes historical information, a timeline, and a personal essay by a key...

Here's a project that shows you how to use a laser pointer and some knowledge of physics to figure out the concentration of sugar dissolved in a liquid.