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Sahara sand is not suitable for construction or island building because it is too spherical, desirable sand is jagged because it clumps together better.
by 0x4f3759df 9y ago
Sahara sand is not suitable for construction or island building because it is too spherical, desirable sand is jagged because it clumps together better.
- mmjaa 9y agoSeems like an opportunity to use sun and sand to construct 3D-printing oases in the middle of nowhere. https://www.youtube.com/watch?v=ptUj8JRAYu8 https://www.youtube.com/watch?v=ptUj8JRAYu8 Wonder why this isn't working out as the "new construction technique" hit success that it seems, with a little optimisation, it could be?
- microcolonel 9y ago> Wonder why this isn't working out as the "new construction technique" hit success that it seems, with a little optimisation, it could be? Well, it's incredibly dangerous to set up an array of solar concentrating fresnel lenses and/or mirrors anywhere near human beings. Concentrating radiation on things which are becoming more and more shiny and/or refractive as you go can go very wrong, as you start having to manage the caustics of even the cloudy glass you end up making.