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Old 05-04-2012, 05:41 AM #17
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Default Re: Uranium Glass Tubing

I'm guessing pretty safe as long as it is not ground up in to fine powder and snorted.


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Old 05-04-2012, 07:58 AM #18
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Default Re: Uranium Glass Tubing

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Originally Posted by T_Warne View Post
I'm guessing pretty safe as long as it is not ground up in to fine powder and snorted.
Exactly. Certain things that have low amounts of radioactivity that are generally of low concern to the body externally such as depleted uranium are VERY bad if they are aerosolized or in particulate form where they can be deposited in the lungs and stay there permanently. The low amounts of radiation will then bombard the tissue internally where it is much more likely to cause a tumor there.

There was a seminar I watched by the U.S. Army doctor that studied the effect of Depleted Uranium fired by U.S. tanks in the gulf war. The results were extremely damning for the safety or lack there of of breathing Depleted Uranium dust. Many / almost all of those that were tasked with recovering / cleaning up the U.S. tanks hit by friendly fire accidents using Depleted Uranium rounds in the gulf war are now dead.

These obviously have lower amounts of Uranium but still do not grind these / produce any dust!!

Here is the U.S. army doctor that studied Depleted Uranium and it's effects on U.S. soldiers who cleaned up Abrams tanks destroyed by DU tank shells used in accidental friendly fire incidents in the gulf war.


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Old 05-04-2012, 09:57 PM #19
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Default Re: Uranium Glass Tubing

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Originally Posted by tsteele93 View Post
Kinda makes sense though, if you laser isn't diverging much coming out of the lens then the glass shouldn't actually be exposed to much of of the light.
That was straight out of the diode can, no lens. I was thinking I should add a lens and get the divergence down so it would spread out more evenly along the side. Notice the kind of "milky" pattern on the tubing? That's from the diode beam pattern.

I was also thinking that having some sort of reflecting rod inside might help.

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Originally Posted by ARGLaser View Post
How safe is uranium glass? I goggled it up but found mixed reactions.
I always find it funny seeing the comparisons between uranium glass and the effects of depleted uranium. The highest concentrations of uranium in uranium glass were about 25% in some glassware that appeared in the early 1900s. Most of the glass we have access to (like these tubes) are 1-2% uranium. Depleted uranium, on the other hand, is 100% refined uranium meant to be heavy and pure for high penetration or deflection.

Here are some references on the amount of radiation you'll receive from uranium glass. It's basically two orders of magnitude below background radiation. Even consuming food or beverages in uranium glassware isn't that dangerous.

As for ingesting the glassware itself... I'd worry more about the fact that it's glass more than the minute amounts of uranium that the glass is doped with.
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Old 05-05-2012, 12:34 AM #20
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Default Re: Uranium Glass Tubing

Hm, so that's what a DUI is, Depleted Uranium Ingestion. I wish I had a more practical use for the stuff, sadly I do not...
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Old 05-05-2012, 01:09 AM #21
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Default Re: Uranium Glass Tubing

They also use DU for trim weights in aircraft as its about 70% denser than lead, on par with gold and tungsten. 747's have about a tonne of DU in them.

I have seen Uranium glass used in discharge tubes, like this Geissler tube here, very cool.
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Old 05-05-2012, 01:51 AM #22
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Default Re: Uranium Glass Tubing

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Originally Posted by MarioMaster View Post
Would be cool to make electrical discharge tubes out of these. Fill it with argon or mercury vapor and the gas discharge should make it glow green
they've been doing that with Geissler tubes for many years..
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Old 05-05-2012, 03:10 AM #23
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Default Re: Uranium Glass Tubing

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Originally Posted by Bionic-Badger View Post
I always find it funny seeing the comparisons between uranium glass and the effects of depleted uranium. The highest concentrations of uranium in uranium glass were about 25% in some glassware that appeared in the early 1900s. Most of the glass we have access to (like these tubes) are 1-2% uranium. Depleted uranium, on the other hand, is 100% refined uranium meant to be heavy and pure for high penetration or deflection.
I apologize, I didn't intend to sound like a goof over exaggerating the danger of Uranium glass. I admit, I didn't know it was so low concentration.

As for pure DU though, I think it is good to know the truth about depleted Uranium munitions. I always remember that everyone in the military is on a "need to know basis" and the dangers of DU to the health of U.S. forces and others is something they don't "need to know." The government will use any military edge to have supremacy in war, and using depleted uranium against armored targets is too advantageous in war not too use even though the health effects are covered up and suppressed and it ends up being very harmful to U.S. soldiers and anyone else that is exposed to the particulate dust. I don't agree with it but that is the bare truth. There are multiple studies now on all the birth defects and cancers that have skyrocketed since the massive assault on Fallujah Iraq.

I didn't mean to detract from the thread, it is just that understanding some of the facts of DU exposure is something I feel is very important. Just not related to small amounts that are in Uranium glass.

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Old 05-05-2012, 06:03 AM #24
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Default Re: Uranium Glass Tubing

those Geissler tubes are very cool. I have been fascinated with plasma displays ever since I bought my first "Eye of the Storm" back in the late 80s.
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Old 05-05-2012, 08:15 AM #25
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Default Re: Uranium Glass Tubing

Btw just to chime in here, DU is dangerous mostly because of the chemical toxicity of uranium, not the radiation it emits. I own both DU and uranium glass.
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Old 05-05-2012, 07:32 PM #26
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Default Re: Uranium Glass Tubing

I saw that one. It's super cute. Too bad it can not be run for extended periods of time.

Check this one out
http://www.ebay.es/itm/Grose-altere-...#ht_2225wt_689
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Old 05-05-2012, 09:04 PM #27
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Default Re: Uranium Glass Tubing

I love to see the tubes filled up with tritium. Who's going to need light bulbs ?
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Old 05-05-2012, 09:14 PM #28
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Default Re: Uranium Glass Tubing

The thought of T8 flourescent size Trit puts a huge smile on my face.
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Old 05-06-2012, 06:23 AM #29
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Default Re: Uranium Glass Tubing

What about these tubes with a marble on the end with a 405 down the tube. Could look cool for like a night light/lamp sort of deal.
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Old 05-08-2012, 03:07 AM #30
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Default Re: Uranium Glass Tubing

The only time I saw Uranium glass, it was used as an interface in glass blowing to act as a buffer between materials with different expansion rates. Otherwise, just pretty.
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Old 05-09-2012, 01:46 PM #31
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Default Re: Uranium Glass Tubing

Yes I'm currently scouring Fleabay for various discharge tubes and this looks good.

Original Geissler tube as are getting rare, although there his someone in Germany making recreations.

I love the colours of neon and argon...
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850nm (bugger all power probably 10mW) in NV equipment
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600-700nm protection glasses
190-540nm protection glasses
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Various Amateur radio & broadcast radio bits.... AWA P5 all valve 500W MW TX. 400 watt AM17 ex VHF aircraft band amplifier on 144 MHz.
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Old 05-09-2012, 03:04 PM #32
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Default Re: Uranium Glass Tubing

How do you power those tubes? That looks cool!
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