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I have this glass sphere model of the universe [1] showing galaxies as tiny bubbles. It’s beautiful and humbling (it represents about 1/100 of the observable universe).

[1] https://www.cinks-labs.de/products/the-universe-in-a-sphere?...

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So, it's clear glass containing a 3D model of the local universe? I'd love to know how they make them. (The website doesn't say much, although the linked Kickstarter says "Captured Into Glass With a High-Powered Laser".)

> I'd love to know how they make them.

The term you are looking for is is "sub-surface laser engraving" or "bubblegram".

You can find more here: https://en.wikipedia.org/wiki/Bubblegram

Or here: https://www.youtube.com/watch?v=sOrby692Uag

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