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Quantum Breakthrough: Scientists Discover First One-Dimensional Topological Insulator
(scitechdaily.com)
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dart board;; science bs
rule #1: be kind
They built a chain of tellurium instead of a cube or a sheet of it and cut it using a new very accurate technique to be 1 atom wide chain. They verified the endpoints are cut cleanly with radio image microscopy I think.
You should check out The Three Body Problem too.
Once again, that's over my head. I appreciate you adding context. Thanks! I have slightly more understanding of what this means.