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I make this argument from the premise that geeks seek knowledge and understanding about the world. thats why we love science and math. Our quest for knowledge is really a yearning for the knowledge of God. A knowledge that religion may not be able to provide. God is described as the infinite...

anybody here have mercury?

So when are we going to have a solid state x-ray laser. a x-ray laser that fits it your back pocket

I got a great idea. Wouldn't be awesome to not deal with aluminum heatsinks and have true compact cooling. the military is working on using phase change materials to soak up heat from diode arrays. the largest obstacle to miniature lasers that can cut a man in half is the cooling equipment...

I have a 7x14 lathe

Just imagine shining your green or violet laser into an aquarium or swimming pool. Your eyes bulge out from the excitement from seeing the beam change color to orange  or green. the beam bounces into another layer of water and turns blue magically. Your friend are blown away. I have some...

what a great forum here. i have been in lasers my entire life. i hope to learn a bunch from guys like you!