My friend works in rail and they have really interesting issues whenever you hav... | Hacker News

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		mensetmanusman on Aug 1, 2022 \| parent \| context \| favorite \| on: A 105-mile-long city will snake through the Saudi ... My friend works in rail and they have really interesting issues whenever you have a very long thing on the earth. If one part gets hot and the other part cold, you can get huge stress buildup and buckling. Keeping a straight line straight can be a big challenge.

Teever on Aug 1, 2022 [–]

Large buildings aren't actually single structures but groups of sub structures that appear as one.

Imagine this building will be the same.

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