Knot or Not
A mobile knot-theory puzzle: commit to knotted or unknotted, simplify tangles using only the three legal Reidemeister moves, then see the computed invariant reveal why your intuition failed.
Created by haojie.huang

A mobile knot-theory puzzle: commit to knotted or unknotted, simplify tangles using only the three legal Reidemeister moves, then see the computed invariant reveal why your intuition failed.
Created by haojie.huang
