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Sand is the second-most used resource after water (files.catbox.moe)

submitted 3 months ago by Blaze@sopuli.xyz to c/dataisbeautiful@mander.xyz

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Sources: Elhacham et al. (2020), Hackney et al. (2021), UNEP (2022)

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[–] infeeeee@lemm.ee 7 points 3 months ago* (last edited 3 months ago)

But the amount needed for chips is several order of magnitude lower than what needed for concrete. If you see the square, usage diagram on the lower left, chips aren't even visible, so small is needed.

You can also use it for glass, which is on the diagram, there is this old video of a guy 3D printing things with only solar power in the Sahara:

original video: https://www.youtube.com/watch?v=ptUj8JRAYu8
background: https://www.youtube.com/watch?v=kpunlLk4fgE

We don't really have an economical alternative to concrete (yet) in a lot of usecases, e.g. building foundations, substructure everywhere on the earth is made from concrete. On superstructure there are other options as structural material, e.g. wood, steel, but those don't like to be put in soil.