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Explainer video: why is gold expensive?
mercredi 26 juin 2019, 19:58 , par BoingBoing
Why is gold ($41,149/kg) more expensive than other metals that are as rare or rarer, such as ruthenium ($9,000/kg)? This video explains why.
Image: YouTube
https://boingboing.net/2019/06/26/explainer-video-why-is-gold-e.html
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56 sources (32 en français)
Date Actuelle
jeu. 28 mars - 18:34 CET
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