What are lasers?

Published on August 26th, 2011
What are lasers?

We may not be building death stars or hunting down killer cyborgs with laser guns anytime soon, but lasers do show up in an amazing range of products and technologies we use today.

According to www.howstuffworks.com, you’ll find them in everything from CD players to dental drills to high-speed metal cutting mac­hines to measuring systems. Tattoo removal, hair replacement, eye surgery – they all use lasers.

But what is a laser? What makes a laser beam different from the beam of a flashlight? Specifically, what makes a laser light different from other kinds of light? How are lasers classified?

To find out more about lasers, you’ve got to check out this article.

Pic credit: Udo Herzog

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