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I recently got the S4 kit and, from what I can tell, it's assembled identically. Is that correct?

I probably should have mentioned that it's a college course so all the people are adults but a handout would serve well. It doesn't help that our speeches are supposed to be between 4 and 6 minutes. I have a feeling that I'll end up going over that. :D

I had suspected as much but they expressed interest in a live demonstration and I wanted to see if there was a way. A video will suit my needs just as well. :thanks: for giving me these tips and ideas. :)

I'm taking a public speaking course and our first speech is just an informative one. I intend to teach the class a little bit about how lasers work. This is next month and I want to have a laser with significant power (1 to 2 Watts) to use as a visual aid. I already have a 20mW 405nm laser gun...

:thanks: for the warm welcome. I can't wait to get started on my next project. :)

Good morning/afternoon/evening to all of you out there. It's a pleasure to be a member of this forum. I've spent plenty of time looking through things here and decided that this is for me. I've built one laser already and that's the laser gun from the first "Evil Genius" book. My goal is to...