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So I've been browsing flea-bay searching flashlights by battery configuration and this is one I grabbed up. 3500 Lumen 3 Modes CREE XM T T6 LED Comapct Flashlight Lamp 14500 Battery JS | eBay I am pretty sure I can stuff a Oclaro 700mW 638 (HL63193MG) diode in it and run it at 1w. I am also...

Space X plans to re-use one of the 4 recovered rockets that they've got, sometime this fall. If you have a rocket design that only requires a service and fuel to operate it will drive costs down. There is much more time and resources in building the rocket than there is in the fuel. It's the...

1. Trump IS smart to not pay taxes, if he has done it within the letter of the law. I do the same thing for both my private and biz taxes, I don't pay any more than I have to. Don't you do the same thing? Also if there is a problem with this why hasn't Hillary ever pushed to fix the law? Why...

Her doctors have let it slip (on her recent pre approved medical release) that she is taking Coumadin (warfarin) https://www.drugs.com/coumadin.html What is Coumadin? Coumadin (warfarin) is an anticoagulant (blood thinner). Warfarin reduces the formation of blood clots. Coumadin is used to...

Thanks guys for all the feedback. It looks like for now my research path is leading me to combine high power blues.

You realize that Clinton and Trump are the same age right... Mentioning either candidates age, like it has any relevance, is amusing to me to say the least.

I see the vid as nothing different than when NASA pitches an idea to the public. The SLS looks interesting, I see that it has been eating billions every year, yet they are actually welding the rocket together. I am even more interested in the "Block 2" version with a 130 ton (Or better...

I guess I don't see what these other "more developed projects" are. Nobody else so much as has a lift rocket under construction. (Space X is test firing boosters already) Almost all the other CONCEPTS I know of require vertical land/launch ability, something only Space X is actually doing.

Space X isn't doing anything that hasn't been proposed that the Saturn V couldn't do (with regard to putting large cargo into LEO) The "lifting" ability is over 50 years old. How much better could the "tech" be made after 50 years of advancement? The only new concept they dealing with is the...

30 years 15, Trump made her look like she was barely above the level of a first year politician. That's a fact no Democrat can escape. Hillary is at the top of her game and Trump can only get better.

Hillary has been doing this for 30 years. Trump has been doing this for only a year. If I were a Democrat I would be DEEPLY worried about how well Trump did. The next debates will be REALLY interesting. Trump can potentially learn a lot based on how this debate turned out. Hillarys only...

One thing that is great in our modern times is the ability to self educate. I, for example, am working on obtaining better quality fabry-perot interferometer than NASA uses for it's "Warp Field Interferometer" based on pictures/articles NASA has posted online about it's own equipment. (Ground...

'Star Wars' Laser Kills Mosquitoes Any ideas on building a economical version? Motion tracking, auto focus cam and a "Fire" or "Next target" mode. You know, sit on my laptop and wage war on the flying bugs.

I'm planning on building one of jayrobs Pocket Mini Build Kit But using this host (I like the belt clip) Romisen RC C3 1 x CR123A CREE Q2 LED Lamp 160 Lumens Mini Flashlight Torch New | eBay I want 1 Watt of red instead. I think I'll build a phaser with a BDR-209 for a balloon popper.

We watch it happen every time a job is automated. We will know they are getting close to this when automated jobs fully automate maintenance. I suspect we will always need people to troubleshoot the robots. Also thanks to "traditionalists" (every one from Amish to Organic farmers to people...

I just want to find some glass diffraction grating.

I think that is just a mount.

I'd need specialized goggles and at least an IR cam with display to even think about messing with it. I'm going to combine some visible lasers before I do anything IR.

Hmmm, I'll keep an eye on that. If It has a decent beam profile why not combine 2?

Here is the diode in question. 808nm 10W High Power C Mount Laser Diode | eBay I was wondering what you guys think this diode might top out at. I'm considering PBS combining 2 then using a Dichro to add a visible light beam (probably from NUBM44).