Science4All (english) | Can you glue opposite edges of a square? Relativity 7 @Science4allOrg | Uploaded 9 years ago | Updated 1 hour ago
This is a conundrum that many of the greatest mathematicians couldn't figure out. While John Nash did answer yes - by proving the wonderful Nash isometric embedding theorems - he couldn't say how. After 160 years of research, the Hévéa project finally did it! And it is spectacularly beautiful!

Hévéa Project: http://hevea.imag.fr
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