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BagLady57 t1_iuyi1hz wrote

concrete so they are going to have to come up with alternative materials to print with. https://www.popularmechanics.com/science/environment/a39880899/earth-is-running-out-of-sand/ https://www.reuters.com/business/environment/sand-crisis-looms-world-population-surges-un-warns-2022-04-26/

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polymorphicprism t1_izesr36 wrote

this article](https://www.popularmechanics.com/culture/gaming/a34043608/winning-diplomacy-strategy-andrew-goff/) about a 3x world champion. > I asked Goff about any major falsehoods or betrayals that helped him in his victories. He paused to think, then said in his soft

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Submitted by dpawaters t3_10mrls8 in pittsburgh

unsound) but it would be super cool if they could repurpose them for something like this. https://www.popularmechanics.com/science/energy/a42613216/scientists-turn-abandoned-mines-into-gravity-batteries/

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