ReelSpark on Instagram: "- The video demonstrates a classic topology puzzle: folding a green paper strip into a double-twisted loop, then cutting lengthwise to yield two interlocked rings that remain connected despite the cut, defying intuitive expectations. - This trick exploits the Möbius strip’s non-orientable surface with an extra twist, a concept popularized in 19th-century mathematics; cutting a single-twist Möbius yields one longer loop, but the double-twist version produces linked ones,