How Lasers Work (in practice) - Smarter Every Day 33

Click to see the Minute Physics take on Lasers: Click to post this video to your FB Johan has a website! He makes lasers! : –neon_laser The custom music was created by “A Shell In The Pit“. Support the artist by going and downloading this and many more of his songs. The names of the song used is “The Bear“ Download some of his music to j