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How lasers work

An article about lasers from the Lawrence Livermore Laboratory, and the story of the first laser built.

http://lasers.llnl.gov/education/how_lasers_work.php

What is laser?

A basic explanation from NASA of what laser is and how it differs from ordinary light, along with some examples of how lasers are used.

http://spaceplace.nasa.gov/en/kids/laser/index.shtml

50 Uses of the laser

The laser turned 50 in May 2010, and it's been a busy half century. Find out what lasers have been up to from reading barcodes to removing tattoos.

http://bit.ly/b7KQa4

X-Ray Lasers

Description of X-ray laser mechanisms.

http://www.llnl.gov/str/Dunn.html

Laser experiments

Easy and fun activities with Lasers

http://www.west.net/~science/laser.htm

Tuning the Laser

All about adjusting the colour of lasers.

http://www.colorado.edu/physics/2000/bec/lascool1.html

Laser challenge

A simple platform game from the Nobel foundation, including questions about lasers

http://www.nobel.se/physics/educational/laser/index.html

Free Electron Laser

Many features of the dynamics of free electron lasers can be understood using a simple pendulum model. This site uses JAVA applets to demonstrate this.