The more homogeneous and fine grained the stone is the better the stone engraving results will be.
Uranium marble laser.
I still have a uranium glass marble that fluoresces readily when hit with a 405nm laser.
The deep engraving style makes it easy to spot text from far off and contrasts well against stone or marble material.
Mariomaster is right the uranium quantity in the marble must be very low anyway the last word goes to the geiger counter.
Laser headstones are designed to be more precise with illustrations making them very effective for pictures.
Ending sep 14 at 6 00am pdt 4d 22h.
Here is the video of my lpr laser powered radiometer in action.
This little box offer to experiment two great physical principles a thermodynamic effect a.
Whether it is a portrait of the deceased a picture of something they loved or a simple and loving touch like an.
I would never try to crack it as they are fairly difficult to find these days.
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Ten years ago these were much easier to find.
40 mm made of uranium glass.
It allows the wielder to choose between the path of newton and fire it as a railgun or the path of einstein and fire it as a.
Supposing that a glass marble emits the same radiation of the glass bead in the vaseline glass test source if you keep one glass marble in your pocket for one year you are in the condition of point 2.
Laser engraving on stone is particularly effective with dark polished natural stones like granite marble and basalt.
Red laser in the uranium marble.