Engineer Guy: How Lasers Work
This is just old material from my days at Engineering school, but to me the coolest thing is when he shines the light on the ruby. That was cool.
BelchSpeak
I can't believe that came from your mouth!
I can't believe that came from your mouth!
This is just old material from my days at Engineering school, but to me the coolest thing is when he shines the light on the ruby. That was cool.
