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Susie is probably thinking of inexpensive Chinese 18560's which due to their poorer QC are either dangerous in the charger, or just really a rip-off because they're way under spec for what you paid. That's why going with the Pila/AW batteries is a good deal because they have a thermal...

The specular reflection was probably off of a convex surface, and as such being spread even more than the laser's normal divergence. And if you had to pick a color, red is probably the best, still bright enough to trigger your blink and pupil contraction reflexes, but the lowest photon energy...

I guess then, when you're using those grooveless Krytons, it would make you a Smooth Operator.

Re: Red DPSS Module On E-bay What kind of crystal chemistry would even produce red? I'm sure all sorts of gas and even dye lasers could, but I've never heard of red DPSS. Does not mean it doesn't exist though. My knowledge is admittedly limited. Never mind... apparently Nd:YLF, Nd:YAG, and...

Don't freak. 90% of the pre-assembled lasers the American members have here are not importable, but we have them anyway. The worst that happens is Customs takes it, sends you a letter, then you (should) get a refund from the seller. Or they just send it again, and odds are that one gets through.

LOL... I actually remember that episode of Transformers from the 1980's when I was a kid. The Decepticons got their hands on some kind of special metal coating that made them invulnerable. And to test it out/celebrate, they all just laughed and shot each other, and their lasers all just...

LOL... I'm pretty sure that would do the trick.

I think that makes you an "anodgnostic"...

I LOL at DX saying due to FDA and PayPal regulations. They never gave a damn about the FDA... It was PayPal leaning on them that forced the change. No one else. And the funny thing is O-Like and others still take PayPal just fine. It's just that PayPal has so many customers that there's no...

Sweet! Glad to see a happy ending! :)

Re: KIPKAY (WINNER) Laser for sale. Arctic Spyder III (G2) , Wicked Laser No, if you re-read my post, I'm in agreement with you. I said "import or sell" in my own post, and as far as I know the law makes no distinctions between re-selling or private sales once it actually gets Stateside. And...

Re: KIPKAY (WINNER) Laser for sale. Arctic Spyder III (G2) , Wicked Laser That just makes it illegal to sell or import, since the FDA derives it's authority to do this under the Interstate Commerce Clause of the Constitution. There is no legal penalty for owning/possessing it, or operating it...

Easy... re-up and shine it at some Taliban/insurgents. :D

Okay, this is the company I was thinking of. They do have a portable backpack unit, but it's only 20W. They use it for blasting soot/acid rain gunk off of marble buildings etc. during restorations, besides all the industrial applications. http://lasercleanall.com/products.html

This is simple. Humans have had fire for so long, it's neurologically/genetically programmed into us to be fascinated by it, tend to it, poke it, re-arrange the logs... get hypnotized by the flickering coals and smoke. And humans have been tool users so long, it's also...

IMO, you can do this, but only after a signed affidavit that you've been irreversibly sterilized and can't have children, and currently have not had any already. So, I think you can go ahead and test this for us, but we'd need you cut off from the human gene-pool forever before you get...

NVM... I was talking about checked baggage. Not Carry-On.

IMO, if they see something, they'll open it up. I'd just put lots of "supporting" technical gear with it. Documentation (even if not really useful) on lasers, light frequencies, optics, multimeter, tools etc. You just need to give the TSA goons "context" for what they're seeing on the x-ray. A...

Yeah... clear acrylic tubing tends to make sharp fragments when it explodes. :p And it's nothing you couldn't accomplish with ABS or PVC and a BBQ grill pizeo ignitor much more safely.

.38 Special tracer ammunition is available if you look hard enough. Expensive, but probably not as much as working with that laser setup. SBR LaserMatch Tracer Ammunition 38 Special 158 Grain Full Metal Jacket ERVT Box of 50 - MidwayUSA I'm sure if you dig hard enough, you can find them for...