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It gets everywhere - but what is it and where does it come from?\n\nImage: by Pattadis Walarput via Pixabay.\n\nThings mentioned in this podcast:\n- Where does all this dust come from? https://www.sciencedaily.com/releases/2009/10/091028114023.htm \n- Sand crisis https://www.businessinsider.com/world-running-out-sand-resources-concrete-2018-6?r=US&IR=T \n- Space dust https://www.universetoday.com/94392/getting-a-handle-on-how-much-cosmic-dust-hits-earth/ \n\nFind more Cognitive Engineering episodes here https://link.chtbl.com/SQeIgc44