How a laser works

Community Laser Talk
1 
  "HOW LASERS WORK"

Jack got me straight. Thank you Jack.
Click the link below in new post.

2

Instead of spending time explaining how to find a youtube video, copy the url and paste it here.

If you want people to watch it, make it easy for anyone to find the video with a single click.

:smile_cat:

3

Thank you Jack.
I hope this works !!

1 Like