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No one understands how sand works. That may sound absurd, but it’s sort of true. https://www.nytimes.com/2020/11/09/science/what-makes-sand-soft.html
No one understands how sand works. That may sound absurd, but it’s sort of true. https://www.nytimes.com/2020/11/09/science/what-makes-sand-soft.html