Recent content by Jack Frost

Thank you all for your replies. You've given me a lot more to read about! I've also posted an introduction about myself in the welcome section.

Salutations: My name is Jack Frost (actually it's John J. Frost but who could resist using Jack.) I am a mid-fifties computer nerd out on disability looking for something to re-engage my brain. Lasers are cool and are of interest to me. I know absolutely nothing about them but I will attempt...

Greetings! At a recent family gathering I mentioned I was becoming fascinated with laser pointers and lasers in general. An overzealous but well-meaning relative purchased for me a very powerful laser with all the accessories: Sanwu Spiker, 445 nm, 7000mW, multimode, G7 lens, lasersaber...