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lasers

How Lasers Work
Image: iStockphoto.com/kadmy

How Lasers Work

Lasers are used in many fields, from basic scientific research to medical imaging to entertainment devices. But how do lasers work?

Go beyond movie magic to understand the important role lasers play in the products and technologies we use everyday.

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The Cool Laser Reflections Game

The Cool Laser Reflections Game

Try to turn on all the light bulbs with your laser without hitting any bombs! Sounds easy? Think again, those angles are tricky! More...

Game
Erdener
Photonics Engineer

Photonics Engineer

Would you like a career working with light? We wouldn't have advances in fiber optics, LEDs, and laser technology without photonics engineers. More...

Profile
Science Buddies
Bond Breaker

Bond Breaker

This game challenges you to grow into an atom from the humble beginnings of a single proton. Along the way, collide and break atoms. Good luck, agent Breaker...Bond Breaker! More...

Game
TestTube Games
How Lasers Work (in Theory)

How Lasers Work (in Theory)

Think it takes more than a minute to learn the theory behind lasers? This presentation may change your mind! More...

Video
MinutePhyiscs
Laser Projection Microscope

Laser Projection Microscope

With some readily available hardware, you, too, can project the microscopic flora and fauna that live in a drop of water onto your wall. Find out how from Make. More...

Activity
Make
Using a Laser to Measure the Speed of Light in Gelatin

Using a Laser to Measure the Speed of Light in Gelatin

This hands-on activity lets you examine two different scientific principles: the law of refraction, and the speed of light. All it takes is a laser pointer, a protractor, and gelatin! More...

Activity
Science Buddies
Diffraction of Laser Light

Diffraction of Laser Light

This video demonstration illustrates the wave properties of light using a laser pointer. Michael de Podesta explains why the results are significant. More...

Video
National STEM Centre
Glow Painting, Violet Laser

Glow Painting, Violet Laser

You have probably seen laser pointers in a variety of colors. What are the differences between them? In this video, the Dancing Scientist explains and illustrates a cool project. More...

Video
Discovery
Laser Science Projects: Intermediate

Laser Science Projects: Intermediate

Looking for a cool project for a science fair or just for fun? These laser-based projects only need a few easily found materials to prompt interesting questions and cool effects! More...

Activity
LaserFX
Occupied Christmas: Lasers in the Loo

Occupied Christmas: Lasers in the Loo

This group of physicists and science writers went all out for an office decorating contest. Along with putting on a light show, they used a laser pointer and an iPad to amp up the holiday cheer. More...

Video
PhysicsCentral
Superlaser: The National Ignition Facility

Superlaser: The National Ignition Facility

The world's largest laser system, the National Ignition Facility, is located at the Lawrence Livermore National Laboratory in California. Find out how the lab is using the NIF. More...

Video
Lawrence Livermore National Laboratory
What Is a Laser?

What Is a Laser?

Lasers are a special form of light. They differ from other light sources in many ways. This article with animations from NASA will shed some light on the matter. More...

Images
NASA
Working with Curiosity’s ChemCam Laser

Working with Curiosity’s ChemCam Laser

A laser may help determine if there was ever life on Mars. The Mars rover Curiosity is using a laser beam to sample the Martian surface and send the information back to scientists on Earth. More...

Video
JPL/NASA

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