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I tried opening it from the other end.....it won't move that way either.

I know these can be sticky. I have not used it for awhile. While turning it back and forth trying to loosen it up, it is now stuck with the moveable lens in its furthest outward position. I can't get it to move twisting it either way. Any ideas. I guess it was never lubed property.

At least put a power level switch on it. Instead of saying, make my day, you say, do you want to be well done or extra crispy?

Robert, you never told me you wrote Sci Fi. You do know that real sci fi as my grandfather defined it was that there are supposed to be elements of science and if you are predicting something that will actually eventually become a reality, so much the better. Historically, fantasy got mixed up...

With the exception of transgenders....or if you are good and use proper pronouns you can have a laser for your cat!

Well, I don't know what kind of weapon it would make. Deter an attack or burn him and really piss him off!

If we are talking about black powder, non fixed amo for an individual not under Federal disability for firearm ownership.... nothing! Cannon

Lock and Load! What are you going to do with it?

I remember this incident. Rules in war, lol....almost an oxymoron. I have a healthy respect for C4. A friend of mine is a Class3 Dealer and had a blasters license. He has 90 acres of land to do his testing. Years ago I was also invited to Quantico by one of my patients who worked for the...

Forgot to ask. The constant current/voltage. Automatic or can you set it up.

That is really not bad. I had heard the Chinese stuff was a problem, but I guess not. I purchased a rather heavy and not cheap linear to run my Radios. Amateurs are generally leary of switching supplies due to rfi. But another amatuer did a lot of research and found a 30 dollar mean well...

LOL....absolutely! You have more room than I do. We had been in an apartment. Drove my wife nuts. Now we are in a townhouse....better but still not conducive to having a shop. One of these days I want to drive up north and see what Richard has setup up.....if he will let anyone into his...

I was just looking at all of your work. For one thing, you have one heck of a creative imagination. How are you making all of this stuff without a lathe or milling equipment!

You are good with this stuff. You need a lathe!

Absolutely! My wife and I were in TN a few years ago and I stocked up on some goodies. PA also sells them but I never purchased them there. We are out of the city limits in a suburban area which is right next to rural areas. One still has to be careful. Just like fresh pizza, you eat it...

Ok, so, I fibbed. I thought you were kidding, that surely you would know. I mix up some flash powder...sometime I add a little black powder, wrap it in black magicians flash paper (available from the magic warehouse in Baltimore) then wrap in clear tape. I actually vented this one by sticking a...

Did you machine that? You also have a custom host as I recall. Does that use set screws?

That is what happens when laser excited particles hit a target. Tiny spot vaporizes and the expansion of gas causes smoke and bang.

How does the shelf attach to the host? I am going to see if I can use the shop you suggested or another one that I located awhile ago. It occurred to me that Richard could make the host and use the machine shop for the optical shelf. Hold the shelf with set screws

Where did you purchase both the diode array and driver?