科学

Reading hidden topology in light, even when energy leaks away

来源: Phys.org · 发布于 2026年10月3日 17:40

When I explain topology to students, I start with a knot in a rope. You can stretch it, twist it or shake it, but the knot stays until you cut the rope. Physicists have found that some materials and…

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• #topology
• #when
• #knot
• #rope
• #physicists
• #materials