Project: Uranium

by overflo, published

Project: Uranium by overflo May 17, 2016
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Project: Uranium by overflo is licensed under the Creative Commons - Attribution license.

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1130Views 143Downloads Found in Jewelry


Check it out here https://www.thingiverse.com/thing:2751908
The new design is much better, looks gorgeous and needs no glue or screws.

This is a 3d-printed enclosure for the uranium project.
You will also need the complete uranium kit

A beautiful shiny necklace composed of:

  • An antique uranium glass marble
  • Some fancy microelectronics

Till the late fifties of the past century people made uranium glass things.
Thats glass with 2-3% radioactive uranium238 in it.
No kidding.

Uranium has the property of releasing beautiful yellow/greenish photons when its hit by UV light (google:fluorescence).

Half a century later overflo realised that UV light makes a very nice and distinct green glow inside uranium glassware and the uranium project was born.

What makes it special?

It is radio active!
A little.. very little actually.
In fact there is way more radiation hitting you if you board a plane or go hiking on a mountain.
But still.. it looks great.


Q: Is it dangerous?
A: No. It's beautiful.

Q: But is it safe?
A: You are on a rock that rotates at 1670 km/h floating trough space. You are not safe. ever.

Q: But is this radioactive necklace thing safe?
A: You should not eat it.
Wearing it around your neck probably won't give you cancer.
On the other hand I am not a doctor and I don't want you to sue me.

Q: Are you kidding me? Is it safe now or what?
A: I measured the radiation with a geiger counter and the emitted radiation from the uranium marbles is SLIGHTLY above average background radiation that you experience all the time.
So no.. the emitted radiation is not harmful. Also uranium is a primary alpha radiator. Its radiation can be blocked by a piece of paper. As long as you don't get it inside your body you can feel pretty safe handling this material. It is also not raw uranium but uranium GLASS. That makes all the difference as the uranium is embedded in shielding material.

Print Settings


the machine with the BING!











Fix the marble using super glue.
Insert the foam rummer inlay.
Insert the PCB from the back.
Add something to hand it around your neck, a leather band will work just fine.

Shine on!

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