Πέμπτη 31 Ιουλίου 2025

A Hole in a Hole in a Hole

This Numberphile episode explores a fascinating glass sculpture (made by mathematician Cliff Stoll) that visually demonstrates a complex concept in topology: a hole within a hole within yet another hole. 
It’s a physical embodiment illustrating how nested topological structures can exist in three-dimensional space—all without cutting or altering the material structure.

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