this is the best use of a solid with the same defraction as water *ever*

This made me so angry that there wasn’t any sort of sound so i went looking for it.

Here it is on a tech blog with original language, english captions, and uncropped made by NIMS in 2015

Was an old tv show I watched where they had used this kind of thing to hide the glass data crystal in plain sight on the person’s desk in their little fish aquarium.