What Are Lasers?
So how does it work, and why does it produce different color imprints on different items?
Let's find out!
The word laser is an acronym. It's short for Light Amplification by Stimulated Emission of Radiation. We know; some of you wanted to fall asleep as soon as you read that phrase, while others are probably thankful you can refer to it simply as a "laser".
Stay with us here! We won't get too technical, but here's a really basic summary of the way laser equipment works: